Factor Info

ID 151522
Size 891 digits / 2960 bits
Status composite
Value 785333972660015111281039457569302749439863023835692494795078881578969632299652307698198513983007314045464097237512793752238366281110442374326395738231048031130202849032143877952608997450852316471767909881263511226436631469866714315655903727081964308688507277656070671956593940901759857636788817736828698666124951989164508115088027638321087743479043553931310439228192672059426235575091805510559908087059839933565526717865313316629372057094448942222638046028732787270360242848996950565742916717363737505478809414231185533173072327281999442460581977335522305294843162997937186934807887713475980222001340055335348192465336338566156737661656854301384144918687583492899438675178926060917310117842421437040980850058899923232568422845315913592460467049862094089319930110611692235717807070129278831537803651740948162297159914809754560852980336239573623125702168921062955543540729784840483382800355409

Factorizations

Primary (ID: 184513) 252557421861414552454449490141 (proven prime)
(ID: 185753) 3109526407388456079915467552622754842274226646870807495488476928971359499057259322723165027146123822621536366421385747460738426239887869513410888334253189920628580672922347246168814689321133446293828392132452343850657835751575703742678246182866903323759824249140741129274105372331761059515039605165899037758377495517092353180834664491111853691907177311661588962891949283876401957231820439038008718512828662602067366777864447715654952410411153413848999216070387742862351776860425707796342132303801549113926608385396521368173802453111492527853491053480020092202293132861853462964249959475089551743523299940464022605490940520974098562357630468728162308036719212926088411029027079514390489093785778263310643492622835497535235346916363096475130711925594643173607703678213122193365488837868379964545704140610157158420862541777918035057585743122166833213447093613548549 (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.