Factor X is the Spanish version of the British television music competition The X Factor, created by Simon Cowell. The show first aired on Cuatro between 2007 and 2008, following the British format from 2005 to 2006, with three categories, mentored by one judge each, whom choose the acts to represent the category in the live shows. The judges were singer and DJ Miqui Puig, music manager and headhunter Eva Perales and music radio producer Jorge Flo. Nuria Roca hosted the show. The first season was won by María Villalón. The second season was won by Vocal Tempo.

On 27 September 2017, Telecinco announced the revival of the series with the production of a new season, hosted by Jesús Vázquez. On 19 December it was announced that the panel of mentors would consist of singer Laura Pausini, publicist and television personality Risto Mejide, radio host Xavi Martínez, and musician and music producer Fernando Montesinos. Nando Escribano hosted the side show Xtra Factor, which aired on Divinity. In 2019 it was initially announced that Telecinco renewed the series for a fourth season, but Fremantle España CEO Nathalie García stated later in the year that there were no plans for a new season. In January 2024, it was reported that Telecinco was once again planning to relaunch the format, with a fourth season due to begin in the spring.

Season summary "16-24s" category "Boys" category "Girls" category "Over 25s" category "Groups" category Categories not used that season

SeasonStartFinishWinnerRunner-upThird placeWinning mentorPresenterJudges1María VillalónAngy FernándezWalter RenatoJorge FloNuria RocaJorge FloEva PeralesMiqui Puig222 September 2008Vocal TempoLaura GónzalezÉlanisJorge Flo313 April 20185 July 2018Pol GranchElena FargaSamuel HernándezLaura PausiniJesús VázquezLaura PausiniRisto MejideXavi MartínezFernando Montesinos417 April 202410 June 2024 Aye Alfonso Teete Coral Vicenti Abraham MateoIon AramendiWilly BárcenasLaliAbraham MateoVanesa Martín

Judges' categories and their contestants In each season, each judge is allocated a category to mentor and chooses acts to progress to the live shows. This table shows, for each season, which category each judge was allocated and which acts he or she put through to the live shows.

Key: – Winning judge/category. Winners are in bold, eliminated contestants in small font.

SeasonJorge FloEva PeralesMiqui Puigstyle="width:13%" rowspan="3" 116-24sMaría VillalónAngy FernándezWalter RenatoAilynOver 25sPedro HerediaLeire MartínezDavid HooperYolanda YuguerosGroupsUnitedSometimesLady'sMr. Roch2GroupsVocal TempoÉlanisAlikindoiNew BoysLunáticas16-24sLaura GónzalezGera MarquezMario GómezMarta CabreraJavier Luis DelgadoMiriam MilanésOver 25sDunia TrujilloMaría LópezAlexJerEvelyn EvangelistiSeasonRisto MejideLaura PausiniFernando MontesinosXavi Martínez3GirlsElena FargaPoupieFusa NoctaBoysPol GranchSamuel HernándezEl Niño BermejoOver 25sGema TomásEnrique RamilOscárbolesGroupsW-CapsMalvaNoahSeason Willy Bárcenas Lali Espósito Vanesa Martín Abraham Mateo 4* AwyDanelNacho Nacif JürgenSamuel NagatiMix Band TeeteLucía MorenoJ PrinceAye AlfonsoCoral VicentiPatrick Bel

(*) Categories were not used in this season.

Season 1 (2007) The first season started its run on Sunday 13 May 2007. The show was then broadcast nightly with 'Los Castings' (the auditions), which lasted until 20 May 2007. From the 21 May until 27 May 2007 'La Selección Final' (final selection) was shown, again nightly. On 28 May 'Las Galas' (live shows) began. Factor X proved successful for TV channel Cuatro. It achieved an average rating of 12.3%. Factor X live shows were shown at 10pm every Monday evening.

Contestants Key: Winner Runner-up

Category (mentor)Acts16-24s (Flo)AilynAngy FernándezWalter RenatoMaría VillalónOver 25s (Perales)Pedro HerediaDavid HooperLeire MartínezYolanda YuguerosGroups (Puig)Lady'sMr. RochSometimesUnited

Results summary – Contestant announced as safe (no particular order) – Contestant was in the bottom two/three and had to sing again in the final showdown – Contestant was in the bottom three but received the fewest votes and was immediately eliminated – Contestant received the fewest public votes and was immediately eliminated (no final showdown) Week 1Week 2Week 3Week 4Week 5Week 6Week 7Week 8Round 1Round 2Round 3MaríaSafeSafeSafeSafeSafeSafeSafeSafeSafeWinner(Week 8)AngySafeSafeSafeSafeSafeSafeSafeSafeSafeRunner-Up(Week 8)WalterSafeSafeSafeSafeBottom 2SafeSafeSafe3rdEliminated(Week 8)UnitedSafeSafeSafeSafeSafeSafeBottom 24thEliminated(Week 8)PedroSafeSafeSafeSafeSafeBottom 2Bottom 2Eliminated(Week 7)LeireSafeSafeBottom 2SafeSafeBottom 2Eliminated(Week 6)SometimesSafeSafeSafeBottom 3Bottom 2Eliminated(Week 5)AilynSafeBottom 2SafeBottom 3Eliminated(Week 4)DavidSafeSafeSafe9thEliminated(Week 4)YolandaBottom 2SafeBottom 2Eliminated(Week 3)Lady'sSafeBottom 2Eliminated(Week 2)Mr. RochBottom 2Eliminated(Week 1)Final showdownMr. RochYolandaLady'sAilynLeireYolandaSometimesAilynSometimesWalterPedroLeireUnitedPedroNo bottom two/judges' vote; public votes alone decide who is eliminatedJudges voted toEliminatePuig's voteYolandaAilynLeireAilynWalterPedroPedroPerales's voteMr. RochLady'sYolandaAilynSometimesLeireUnitedFlo's voteMr. RochLady'sYolandaSometimesSometimesLeirePedroEliminatedMr. Roch2 of 3 votesto eliminateLady's2 of 3 votesto eliminateYolanda2 of 3 votesto eliminateDavidPublic voteto saveSometimes2 of 3 votesto eliminateLeire2 of 3 votesto eliminatePedro2 of 3 votesto eliminateUnitedPublic voteto winWalterPublic voteto winAngy48%to win Ailyn2 of 3 votesto eliminateMaría52%to win

Season 2 (2008) The second season started its run 1 September 2008 with the auditions. The first "gala" or live show was aired on 22 September, on primetime. In a similar fashion to the last seasons in the original British version, each gala had a different theme (number-one hits or 80's music, for example). Five acts were chosen for the finals in each category, and an additional contestant was chosen in the middle of the season through Internet auditions

Contestants Key: Winner Runner-up

Category (mentor)Acts16-24s (Perales)Marta CabreraJavier Luis DelgadoMario GómezLaura GónzalezGera MarquezMiriam MilanésOver 25s (Puig)AlexEvelyn EvangelistiJerMaría LópezDunia TrujilloGroups (Flo)AlikindoiÉlanisLunáticasNew BoysVocal Tempo

Results summary – Contestant did not against public vote – Contestant announced as safe (no particular order) – Contestant was in the bottom two/three and had to sing again in the final showdown – Contestant was in the bottom three but received the fewest votes and was immediately eliminated – Contestant received the fewest public votes and was immediately eliminated (no final showdown)

Week 1Week 2Week 3Week 4Week 5Week 6Week 7Week 8Groups16 to 24'sOver 25'sNew ActRegularRound 1Round 2Round 3Vocal TempoSafeSafeSafeSafeSafeSafeSafeSafeSafeWinner(Week 8)LauraNot in the competition1stSafeSafeSafeSafeSafeRunner-Up(Week 8)ÉlanisSafeSafeSafeSafeSafeSafeBottom 3Safe3rdEliminated(Week 8)GeraSafeSafeSafeSafeBottom 2SafeSafe4thEliminated(Week 8)DuniaSafeSafeSafeSafeSafeSafeSafe5thEliminated(Week 8)MaríaSafeBottom 2SafeBottom 2SafeSafeBottom 3Eliminated(Week 7)AlexSafeSafeSafeSafeSafeBottom 37thEliminated(Week 7)AlikindoiSafeSafeSafeSafeSafeBottom 3Eliminated(Week 6)MarioSafeSafeSafeSafeSafe9thEliminated(Week 6)MartaSafeSafeBottom 2SafeBottom 2Eliminated(Week 5)BrigitteNot in the competition2ndEliminated(Week 5)AlteaNot in the competition3rdEliminated(Week 5)New BoysBottom 2SafeSafeBottom 2Eliminated(Week 4)Javier LuisBottom 2SafeBottom 2Eliminated(Week 3)JerBottom 2Bottom 2Eliminated(Week 2)EvelynBottom 2Eliminated(Week 1)MiriamBottom 2Eliminated(Week 1)LunáticasBottom 2Eliminated(Week 1)Final showdownLunáticasNew BoysMiriamJavier LuisEvelynJerJerMaríaJavier LuisMartaMaríaNew BoysN/AMartaGeraAlikindoiAlexMaríaÉlanisNo bottom two/judges' vote; public votes alone decide who is eliminatedJudges voted toEliminateEliminatePuig's voteLunáticasMiriamEvelynJerJavier LuisNew BoysMartaAlikindoiÉlanisPerales's voteNew BoysMiriamEvelynJerJavier LuisNew BoysMartaAlikindoiMaríaFlo's voteLunáticasMiriamJerMaríaJavier LuisMaríaMartaAlexMaríaEliminatedLunáticas2 of 3 votesto eliminateMiriam3 of 3 votesto eliminateEvelyn2 of 3 votesto eliminateJer2 of 3 votesto eliminateJavier Luis3 of 3 votesto eliminateNew Boys2 of 3 votesto eliminateLauraPublic voteto enterMarta3 of 3 votesto eliminateMarioPublic voteto saveAlexPublic voteto saveDuniaPublic voteto winÉlanisPublic voteto winLauraPublic voteto winAlikindoi2 of 3 votesto eliminateMaría2 of 3 votesto eliminateGeraPublic voteto winVocal TempoPublic voteto win

Season 3 (2018) The third season premiered on Telecinco on 13 April 2018, ten years after its run on Cuatro.

Contestants Key: – Winner – Runner-up

Category (mentor)ActsBoys (Pausini)El Niño BermejoPol GranchSamuel HernándezGirls (Mejide)Elena FargaFusa NoctaPoupieOver 25s (Montesinos)Enrique RamilGema TomásOscárbolesGroups (Martínez)MalvaNoahW-Caps

Results summary – Contestant announced as safe (no particular order unless noted otherwise) – Contestant was in the bottom two/three/four and had to sing again in the final showdown – Contestant was in the bottom three/four but received the fewest votes and was eliminated – Contestant was in the bottom four but received the most votes and was saved – Contestant received the fewest public votes and was immediately eliminated (no final showdown)

Week 1Week 2Week 3Week 4Week 5Round 1Round 2PolSafeSafeSafeSafeSafeWinner(Week 5)Elena1stSafeSafeSafeSafeRunner-Up(Week 5)SamuelSafeSafeSafe3rd3rdEliminated(Week 5)W-CapsSafeSafeSafeBottom 44thEliminated(Week 5)PoupieSafeSafe8thBottom 4Eliminated(Week 4)MalvaSafeSafeSafe6thEliminated(Week 4)Gema11thBottom 2Safe7thEliminated(Week 4)Enrique RamilSafeSafeSafe8thEliminated(Week 4)Fusa NoctaSafeSafe9thEliminated(Week 3)NoahSafeSafe10thEliminated(Week 3)OscárbolesSafeBottom 2Eliminated(Week 2)El Niño Bermejo12thEliminated(Week 1)Final showdownEl Niño BermejoGemaGemaOscárbolesFusa NoctaPoupieMalvaPoupieSamuelW-CapsNo bottom two/judges' vote; public votes alone decide who is eliminatedJudges voted toEliminateMejide's voteEl Niño BermejoOscárbolesPoupiePoupiePausini's voteGemaOscárbolesFusa NoctaW-CapsMartínez's voteGemaOscárbolesFusa NoctaPoupieMontesinos's voteEl Niño BermejoOscárbolesPoupiePoupieEliminatedEl Niño Bermejo2 of 4 votesDeadlockOscárboles4 of 4 votesMajorityNoahPublic voteto saveEnrique RamilPublic voteto saveW-CapsPublic voteto winElenaPublic voteto winGemaPublic voteto saveFusa Nocta2 of 4 votesDeadlockMalvaPublic voteto saveSamuelPublic voteto winPolPublic voteto winPoupie3 of 4 votesMajority

Live show details Week 1 (8 June 2018) + Contestants' performances on the first live showActOrderSongResultEnrique Ramil1"The Sound of Silence"SafeMalva2"Termodinámica" (original song)SafeElena Farga3"Viva la Vida"SafeSamuel Hernández4"Locked Out of Heaven"SafeW-Caps5"Team"SafeFusa Nocta6"En la ruina" (original song)SafeEl Niño Bermejo7"Desde la azotea"Bottom twoNoah8"Kiss the Sky"SafeGema Tomás9"We Are Young"Bottom twoPol Granch10"Pompeii"Originally, Pol was supposed to perform "Heaven" by Bryan Adams, but requested to change the song at the final rehearsals.SafeOscárboles11"La mirona y el exhibicionista" (original song)SafePoupie12"Ex's & Oh's"SafeSing-off detailsGema Tomás1"I Am"SafeEl Niño Bermejo2"90 minutos"Eliminated Judges vote to eliminate Montesinos: El Niño Bermejo Pausini: Gema Tomás Mejide: El Niño Bermejo Martínez: Gema Tomás

Week 2 (15 June 2018)