Factor Info

ID 197586
Size 737 digits / 2446 bits
Status composite
Value 18922467972948921280609976925864148972966148694401821955580951593050075770918092348175672429703476335859511695138705366451190439262942395057408368452152512474473237335669298432443021833366854055453936518889636638434696814430669974126203830139223684943213869978024045288117456689293379655876723073492130420339811311028413041671441511649817445724913024562755977871491222371890266683650007786704922315991835061186419245830094810647646913547356002841321561986702389196833263911847035437553630605436709503570186035005698486892510875509836627930529088894370792207020598361607314995538139642504684398986752033481107666496475769525027836360206479706943261054051900478933682851668303725194561719539870514261861632870139287703499509445936296261717

Factorizations

Primary (ID: 17684) 4573908596617663126411592975780382081984911126137872032519474933230024880589454211588406778370647658703137559586369530763945162886189 (proven prime)
(ID: 197587) 4137045499103721228697365819769310593108934045142534618903525766851328478819863620723655241198699025317880954253023108752833523292638671106865194806812319194841347288527826033954619315074046242357435229147238093195482092460661507525683166933236892173370451009075832354790530094141070882018759490681951342146603037895254170171400965068430872961470229816264162254904211238291196091735472203362091482637919397183376444731943738399584629520981342445434395559874456655334018898116868457736253390212865463821031590691990120802935060338442577587520730922363786535773183116083254220010446030525443096263818833353 (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.