Factor Info

ID 28457
Size 836 digits / 2775 bits
Status composite
Value 19973328486390247317483442019974499318223810161932865231002959998556688240571598526503289574259887772659173164858264989230803778757563766074442570211432711978760035750447789351047311447264370986592081245084806654944098818687481820381892933370064446194366445666033288467410640976913261853275123383209343132266462206881396994957502200261254025457891403405539018484635117509695284901435007191687828042195440833068021388716021176162374072978279401056001823578406140832472496948295339244394158410458563659140887299303020899379508203637822815776812589379015873369649425089996798168031630040980270595552926930362876093425081368634887721598286843439447252862797006361612908533285856449472729712102096306974850943814694376581587380041409007052250321581557472664827700064762527491422802460404904885864482901543157221432040964358350452155620317609

Factorizations

Primary (ID: 19302) 4411922770996074109644535362851087 (proven prime)
(ID: 41296) 4527125591974243629883101333003207178179242347483192326480391621747778024480701959487542420509326958267907829135497134634329243151910512951321667896984059227483230137231368374974254675165214367966506658009576412539381759534919946541622525132131625027635421449194313719729767947182989331404374247053511186825943694235868426287842793831881632561261172713830381237474224508723337066585422473277923255946088323029515192856599819818374395204697159199265299514663863362987964480249040147633350137124828070213508463443385535353148360300535592168717786919387940890002797497431830210263655694449721164550112729978046241831232928950697333709674612288585215377798185323856139416233872696590508682665984221325898067494969349156126225599104393160025834306987796038157001317225744844665159741414560714045024848280007 (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.