Factor Info

ID 160021
Size 839 digits / 2786 bits
Status composite
Value 25711805140840604864334337028709238122113937930146462494207247866636974433927704181461571339972452408700208678810410138622528635607633820855904117896515842789751404184543615061145652425767530953621027689905048013902651752211487936322774518033937568174685671388333971301805355206219264574432607291665238411528441055076819701173758626509532665126542867772994593351288227837119720562642161047045155530174124486250577060118639688866812497593416595207456588606661159694445137815889534344995743722386473040649223161570567671914588627187639426631330049374267264199036161242400529888761712231090829061110658192123605154767506993129356989660558510477779996330530110502520307610667787814976470467245436296487885740726952344010753743525071161130353274661691644213846066702017715167285578157719363462214692068765804178514501300020219032354454110770763

Factorizations

Primary (ID: 158767) 1461106583208387755192310613 (proven prime)
(ID: 160022) 17597487709884271942567299103080106531335601312976162198206070131993167431389676722639585244428159142090490957691970512478570156056387561969280296078923756595134989425858788757280547996397040347967530829326664412669072777514668888353919514738138747155548680570226784762921092510610109500288821791757500982220508498770448465577570065505873756042367374707819815582585566738281660720171425541722846516413685446705691017290446484974080704363171924376536559098681142597524497329554799332880683883667385520546121687480727339889152696103487370995018480060806679153701390200179111438597050679469925904674939834058034951852286127558640267076827757832941845109742572524070768948172174800503347520197035941587607502446026429301991787175028102340186481550138046560971440396193990808433338152015071591990932631296092205771551 (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.