Factor Info

ID 156240
Size 741 digits / 2460 bits
Status composite
Value 290303335984486851676390244296517727547024320336025070310119192083805297452230553546364060820547149767330751072299134970414191099352092198355392808417383451873067754845775898992911891523742869071523099299671878813517876012956496266342023387234838307220038972616563651767791346084739641563800200427520547593323858045749713842967768892482108738576683251288218294675947701175120981605692373590884557187452781845966160535630900939199825714669615966732895247412178691313348057243288599052792349011589034224413329434235016834130251450262651874534348906232487998909454955685730007932487665860961254377515640774832389323410634624898641942297130263708011444361355737805886221491270929455407257518557585981521790203403634589993864417374891022704760447

Factorizations

Primary (ID: 189219) 1246112358468339440180203655945811719561 (proven prime)
(ID: 190199) 232967223229623979677032954120243511408298483047175671622875218281987316638623630903205255207356964305110250381707843825667132140196275890432277579659169804917552225847137698494780084643065591192929533742671241403832875599496836605377872790383888137260592281458437625977243798479782555661128207587585093873764281482600534323677903545725034634860793992707195815717041493861831371883874488054886837654935620452642403298985427115842646020488043031615033066232837884482354780692613508311060348201777359912846749209095004371355676386116644516061305945285497500221882194059287788863782411759478626500330105911446268680037942853237258119835515823662512888166017204927416155289754771719085101046675955123024327 (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.