Factor Info

ID 165281
Size 1032 digits / 3428 bits
Status composite
Value 651621170794286965989135040689832130703609308508770061833144440553763619565506615218352529458006839460113183381997816992804858000158048577352942739304246188038327355744572410726303029781629239597618871569792374786622194576289427534585555514897191402106742052253523195167324721881706415651442986723956133007143618601439066839757219209504517288701846010249784067562438591831864495031205395491080055888897654101152024296693684135064718388860729141101912394306893152427583504179666879373292919191803790247563129771382468308363632830396902966655791589789233491737308154680607801891999440391675036063728453668299220522388991276453363148030146878001323246147413797380369677228814924556240431754373126101272751982172601956440383356441368421276492613996300568913427991148431486855193617242085041854670641386950914898451046585539034374140522756587734379050422906433459509844693806896724966185503549999102262191212611015779425212580851265254074794646114814593181424913618235507529010054427722126599455009285185136467809505290307642321120542627

Factorizations

Primary (ID: 163561) 715589319888957668605573 (proven prime)
(ID: 165282) 910607736425416427438597275450357555315651851537610516158672210597778137259124279565678087292275427035328917472456798544613226115864929871011520365529143771338169876211480312971143256384849438398259364015777946977495338747811611810066885871685785202354543433375567408495121794389914690258243709977680197999100206743117906168982576435622863755166679841298252988222399266153862228328415993308551640285033551737451520541886133357437375764945672266794506857668076665919900701983041596706355056753927694347442273631835954397364603873733231265631644521737731769394963461420060507492005026713032055707888245010652312380187815950783245429353863761188407964235629410514845006817745443319546118225055101301935403126662723770483572482279600617204292126310381354581866169780684014710203132654397554533399763773046956967726690338815691011413267258011715069007350386084085621027131633254599043248437236236966591174829724186205808621652969781515068041360405705248771778594741366170560373947335243153850938220355472737403399 (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.