Factor Info

ID 198656
Size 643 digits / 2134 bits
Status composite
Value 1687097080174939303183791352021176152125745791080484796511868276438621703467649447357712860121189462849513125533798003612940532808695907859337562549292219694139762868039833061876912742543743259444805133567397568794858562644202840242445046686862610411838574431365944784779040363207962601199186086616181259602868666501919977708891966385029502376779897242150461528589029917921489541368726812136997893978500576918408687200435095360937600328644547263590342116232056764184367380640328324707273978425620992285507163229501760464354164664523862157955542811524482350787649169565586835174191009226205879220959512454362874736514791118175647008056512611169

Factorizations

Primary (ID: 31578) 203781540709379127885439819791380345578958365056048947855502097988853782580772863285766056825181349231442133983535552849 (proven prime)
(ID: 198657) 8278949478456318184408811104601153017761224333904137382892840733463833649139858169308474001327907668816861704917095769840203327956161479665068180078594252828674224741658586353552879921136438976892855819360657382253268785884718527383151657893412719919888979536672460886850070062558897624431046507126536304507984889047824209559558647939931661366668418836594774698996868713236364283659196633594516933851306043295472271121025920610310334378610481064966297243285508874910353673336873604268677142783081625405324668325368256529681 (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.