Factor Info

ID 21418
Size 521 digits / 1731 bits
Status composite
Value 73385512769485512295211375311480302744146882867898545830364066693838032225579074743298832360206465832112634128703946617456659654003272806105849374642574540885711049024753606572152969877985299859938257611192040161545014846136462830615805184494433121660826276799708766898672698969537123653632560769239524390620074801085699838595533597487334497960127468250807896169409352008354155060339951765919135890187681659735057396971373783397514461640279214489535381776224211847772308939123598628356177459186016274918424901082182038459

Factorizations

Primary (ID: 6681) 162715052426691233701 (proven prime)
(ID: 21419) 451006293978537894027118976632048198308719756283251603275100779788947050837842163597344355567919620291232816301680211585318031754586593613356692290054887582726864957435910109703923589863584909531347316711025479446127573449217656572642286518407433884850666837528875692710644885117088521151175650560089261604294089120085365382941139973976231667841535296000264025660763603341590128003638249305689451996310966419053314347279518627839378407586313266750211629741008278390518312473140353471166906002319880159 (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.