Factor Info

ID 105964
Size 742 digits / 2463 bits
Status composite
Value 1631719795679965856160869564782146187088503117575894642077858859495530080375608729561937765813581252453806883088987981459706295525115148182717206308044267685807906958794741069671927558721201956208470845547922252371945963087883096406641419181526281030824491156367967903923689489288431270671673437130600909600746831260630272010524470048617538876887761496413399478121997901753522457592487615110904531805934915006420190524102608257094238402233294976232310460958160586937334302095373721722241053533427730369179197591706493600428548555106167154426235999019205493480192276859686331722402717139649347209115940825350074367652279273506073804640719734466245487232551401099194732948250506435125971269898427721444940051558603802736477653571759877677637749

Factorizations

Primary (ID: 153) 2638710957802673148692221 (proven prime)
(ID: 105965) 618377617622334656771259224309921229141567810391202725012249170505476079172882807261209068331093151088613088566575294880340186961917742855578012811555279756827656275174819916914607161810662372122789049833485496573455932663616421164800644050359585710158335215203109727499357552379310470057848260109509763049962589955364239979775443845982232554505528672540657583670751232585146171044734503289879874311399813219186414165913036413450034561579394015767442784806193513660581420266155263244792703231232693964427354815934037160349710257870661240324270870867138881675571605416058463993157765108528841200018131765899390208095939435162124588458066575926619642256224311648339726335967437334611829186042640134246231282762061284569 (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.