Factor Info

ID 28588
Size 920 digits / 3054 bits
Status composite
Value 20681572718707631500333409931750810028264818119125858859755957441939952202587494542362961808235861847094239035091805271503090746165886915479008203690511961049911735643541606500679966222166050049426681547461932118482639175701657030792563827701589955421791254013394785966424636369694809132270354321506746560886322358850336422338417191003536569637381000735551830526208357632421584440335732954730126178295859110253691888434611967943771378980607350922400213502562010039775280945605393522299538318565367536803986926720364248247604177470664358777257391592019438587427881037275067194408853804053381230116758758873771397612655052276331068297426272470508077096100167543511524025091571337865889420456373350623873408072686536295953098581956269963462552793389018312613461405866652092265091803203345611852632097800859434242018289633936162878874901741827331847324034285244640025737068272169494907967001401751039823496564560976170232323

Factorizations

Primary (ID: 41511) 397388536697822755088418041521 (proven prime)
(ID: 41512) 52043707376577034003303504744555381614995789251465043925123534448507673896613873182450986220094088698549084445909231467251215728983720788341103702489646525286959155041961768648983706989796906295236986974799025671086941752429735567839852593943106998562740159385929592805188755989253128663467995447900695261020644460720788198603334167940067259131637849797082582576308082245265554284334007538114645092516222580737567842427226410054431741864287707358909849927117223911682752185511786325325733302827597002149184282537271313644703170478444428394066842649401561726061646350230930939481977443981909175064485776452586778740125151029577673752207255454852950530733605526234016284546171204748649314451809669872332708794766375504640326691763414761547638512337041768852290228052171357558875882719629643828768181083638340317146016313014561874888089475714254293845882505907167620894345614761316649246136563 (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.