Factor Info

ID 151521
Size 918 digits / 3047 bits
Status composite
Value 163361993515814052122535674761952030933711314584310156073602194074005249344009250390368147060959017783649619448825880843161241084081052098584152249940661616425486651473450226098093994580189417510043286000701985482036980330126436943453934021785641811686340929995700655209628326997550603768854907629303135333340108496403068343557586747293800811359868277783815268555364432167938482030106166941215537271394268673629254115305085129333671080542519351884631248503829404528158949047874488838727365668305810313020190319191122386484765791569216123601469500575921808844499944235454233004745151198437239267963283343186779401108324821841287021092325558682694974809711017130179477345961995657424778889791476115170072469708165147794498709478988083045860944880634797541276825858642114005649218934352311968548064003760051238223590147958604266886412863642857192407027593946333908709015043562627955926796744693022737682861057886390465299

Factorizations

Primary (ID: 149772) 208015951433360864196786211 (proven prime)
(ID: 151522) 785333972660015111281039457569302749439863023835692494795078881578969632299652307698198513983007314045464097237512793752238366281110442374326395738231048031130202849032143877952608997450852316471767909881263511226436631469866714315655903727081964308688507277656070671956593940901759857636788817736828698666124951989164508115088027638321087743479043553931310439228192672059426235575091805510559908087059839933565526717865313316629372057094448942222638046028732787270360242848996950565742916717363737505478809414231185533173072327281999442460581977335522305294843162997937186934807887713475980222001340055335348192465336338566156737661656854301384144918687583492899438675178926060917310117842421437040980850058899923232568422845315913592460467049862094089319930110611692235717807070129278831537803651740948162297159914809754560852980336239573623125702168921062955543540729784840483382800355409 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.