Factor Info

ID 137857
Size 642 digits / 2131 bits
Status composite
Value 158621182505365784213382256725179304052530727443123920010376289875139532706373802780240606649113978292948336136524269006542121033634010033035595571278472944813049426787148174377265631695997550155023941740751140522250410112394156853814559078634402278690044340071188760817328483113223405329397729089382801526066320631581773095911858835696029873644950295916152201457544989364931469641969393784487230351692826262306443035013619408030859324875408188152720642685585020898098919064641720965747383770914181655825974661380788219064965412348327064158917057579528531940374029181848095079351022624532220869383295600705561414085615035023229061071761270503

Factorizations

Primary (ID: 136426) 890785539136914450283 (proven prime)
(ID: 137858) 178068879136783541244554903591580432874850957957552249583681307578051950023699450656135547728643691098970541232071636949353358700446240421337018693112238238262972351615197177176271069926130718680527997407698072948829695159843301354736235404053614110009885751344435515669468749979782124302389121043433575715967101308775376599942658369298672678262633226166767004282128645658560830184896213505780825243213388460103630148325516327292023432794051778877124821206134560968761241444307087766860842460840392409807348006791126757145394725128775247285264818620286460681865431479128217169458988245544364677019336173645468394732628341 (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.