Factor Info

ID 71148
Size 398 digits / 1320 bits
Status composite
Value 20701542974718863019199175450273196382591253345730270426846774618784128902376666550183836112641912035044314889981104018182640307927604047414032850339898024022118958262990491403202883526751369410123832691826317203706163574020203282981327890553990143795365001844872840363109024788682697226277302863564483165626586053187550411565695594383733300464018403486256896175916753965106949552643392982597448679

Factorizations

Primary (ID: 70613) 40600782778641592009 (proven prime)
(ID: 71149) 509880390424617537780540688302291576110388639318017775730480306656207262741021196282548025030282550776148329323991599182109417553290102956354325603399670811696428279069952843989228266746720921364355477198869423041644274781776322974241252519437172003697445439182168689063403009606122135465382003526549804690357782519049789216616008746382355259694086302353459777912127630016099631 (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.