Factor Info

ID 171915
Size 387 digits / 1285 bits
Status composite
Value 641106135328881654458323379256849910500246560238042198262319805550806404908683710261295416361763309321149241936115194948056935718666840043112930442246866586244344680562649897324917887329803129130965294228016768796176872584898438113741307381725500984506589827173843773560718789957790368268506143171300216531878149424722055452366755829080365227493725939151170016896123815363730388518248571

Factorizations

Primary (ID: 171372) 23052022067431050825264764433875832941 (proven prime)
(ID: 171916) 27811275447053543774711729664703466513699348166824297851691783161103712325598211942561380082587941532724822794094180643983112305795305632238578769911562773611461364793569022699828553870149279379924638919868605235952392224978475386997875883957076346488121200310207102234606494291842648676646877104541420385708547520075067631936336038744462142725911431 (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.