Factor Info

ID 37921
Size 654 digits / 2172 bits
Status composite
Value 380643437417563014465176176876296634101054630587657173226123090170517252949245452071107303655388279255307362324548112821171326797063264387095527511669857708390381259760031940345798379149526575045895247306763131549078788111361476201952117765963167183222444601885806217944930504728737236541764245479412004861357443023904891163373632289248726667481970259565988344356150277361665331181527512039897506338419911959425386199600879678422161890615494954436712155841606556877905362255238669115557466857222159961028110435320549142834806153877883256615592485745084443439703114354567851684428458149955029049039548094643546301965826390559184194583147325564566174803741

Factorizations

Primary (ID: 11525) 881304930739946561320646289889 (proven prime)
(ID: 37920) 431908893438249022346599561945353161993052150823089354071828267513085760725387536106330862107823139814094083058533069442819560119524925831817395262990142181926736747214921635893246823410552972499584401281676161518313684248671897697072320094289523251547581241854935798617318408639184125360872380732632016155242113601937916570116150380207575457868336881033396999366075698660705004501346747735267785869213390450665598187017580287547015947170132695497212677321076115761177208500056964654183652948192802391422611151129738159586510103361053377829606643079254860506112603451457149658530527814579012431322862564629322799820753812669 (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.