Factor Info

ID 159668
Size 640 digits / 2124 bits
Status composite
Value 2039468389740938715168374392936907302475344231065930058723856301069240292938696705493225668472694926459885051424377925407742491639075618847505041283483185835082854217124765797536640714016320599023209083904463294352100267467808033878689318649224326720041648792178135730464437762298147145046690470716008454955947795493641960574873650072169880971613053723329781743959104239743386917178252267843135683501592685976316680315992833821941852033558523450510173348358266628234394140315714977055108035774463105126998806251214875536751146664545276645192127655846598983074267687754158080414653368131902069044574923780998189165102949269991956626388001897

Factorizations

Primary (ID: 159669) 76872497692707679873 (proven prime)
(ID: 159670) 26530533688310323497706401565265034089642578938178195286490859568746055188647709360135102535533386553653816023595377640330817180015029014826534243478753298170220445305487929044677743085019754563679719129274304994258228670529771718971504482651870652023247678111126055495139969146852311691420956677980230510558499625203243440373672399590673591604302839204783865870087297807583698249309490614140275889060977013674538925812684088942912649074099013116313944045260282917103622358114480712674872085568456543642917539034860539046285838687801297384542460705561417291681675537712288911556938263720389728556973317894915652745728489 (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.