Factor Info

ID 21345
Size 431 digits / 1430 bits
Status composite
Value 25287038192170351093785034631492665114958143380917265271867297383225202249281440144734004665339578726380461631760264091812398839806749895922207914222612955143512109756122875707445862764706120613626574729302742529561854121981753748224234321987406588629507832994550506124170814358172498945694250992248310845529037261295911920760864645714667159118000018966802353360009286443836223159041806275393095228224771899913924421777885842529851

Factorizations

Primary (ID: 16740) 3501243666084542114634292493431 (proven prime)
(ID: 29768) 7222301731558423455601953875673978743492871025536504907334977737943956441272787845752732052129606598904646201643365878867985894038752311274124933038675417155623664011577319982606657016698635066076495342635463660308498511599160566365425953041753350280087902236860806751399168483918690311398159165871243327072445314770884590947471929668754616050345958116235930756394905629859409669123041183590656233821 (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.