Factor Info

ID 31212
Size 471 digits / 1563 bits
Status composite
Value 255511581476651829612020666892813559923050368283079949462154074364360621569700347494411907061190520971815771661941455472249360446065297756519772741267914006946384473434467731936440589318299859018330047678064949041192548464824780516638193741330859083370663222887427491499800463917308063980417277208990694614109358630016794943972747999712392460585126929340346733154884190293510256075635887886907185260686079613709970007982397966873386866766525595029355961536546372831130461

Factorizations

Primary (ID: 7489) 3546245297457217493590449191748546458005595187661976371 (proven prime)
(ID: 31213) 72051299344651260630413193632387502618048423068321705695561742840907990911720710655967287316277115229491800546223935231172803383751181915700785254996945352855312114196839771424904078444605156853655441430659428909157223636090029529055649735425363655157314303983035436452780192599139083786134450008093873639380847471892864554045506081313766290327936075210895673192597852438664350809497731686792039122496189815549951791 (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.