Factor Info

ID 170941
Size 638 digits / 2118 bits
Status composite
Value 20780900109442058954952360627280963849896099770439603733718734436622138630892869399024884010342930480107999411788786211008957172552359185566277500757678025020237987976104624037700810914422702630484294037535990857962169042751361226605112016978920175706006112716463401335241416096553360696962717430767946847305190227581697718846197847572679883694992736727320677546914133908566977002470937207170142523283001799410899664836613586729382183047551758893482515436123324724391947842084894947496567559090869769006112433950320719904862051363622156950487314859625715090859851858159696107148465502130548050905046089169512610697742779403298325571405181

Factorizations

Primary (ID: 169593) 35781628429886658331140591695821 (proven prime)
(ID: 170942) 580770105255600420081431285393012753387829832470276375338120140856995119207177371700501980713537962000958780492018756372171968423785695544106950079779621548307266182738953825647492777000138606341000953363673275876378722654292312450621442080397074413041427037303991061790100682635626064063462244074472051181332065134784227104024488927165959966439463453947699804423405064932184201954368340671214870629104223964235645423185424407070568691337237066619948941545943023888271657690759838780024415437396959118118375082745365558868265102002102527786850409854404897912496155311089997897091835609313049679639071618161 (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.