Factor Info

ID 21280
Size 538 digits / 1787 bits
Status composite
Value 4996763765058195107197853308639997125474942884752044694788083825468696578049084677397574158497510040941441019616609533977774364770944018689276555429341424690110042283726839597814724335091325328613798316484012892940598197309064357987996643480559496721432258584207155147028007912474315165439424705316898303288695377740040886547725518344713040158011866719181269651650366211105026659617574664443494620514673853534280042254406091146214334789889029134862094800889184530044930899707366974883391959657311942017452660767096514612897123470236193419

Factorizations

Primary (ID: 16703) 44656987140518535039596003383 (proven prime)
(ID: 21281) 111892093152976981963147608132202101490857289283856740909941838952889976048443207182190168479430179007360322411669320137397529450551944958594266727111313197181331325343022744410415655586752336009100479922845185229043428642159417976413204111003908296988720739977978021388219696769796315116732366809055502705870473700915545918103071230183420245559531885811797245029169037849997980788342292208834320751397550277290735439491779312355574117387316560854354496361823888067899928227984764616901895811951652017097903693 (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.