Factor Info

ID 129657
Size 631 digits / 2094 bits
Status composite
Value 1987282017943038720454183274724224042773484400969388602223189989284332040494520437193597045478039526719452430398960367000450708739987156410671387515352318064007373817477275992282904588243803176911218464985906980365045120729203887162895621558647441196627080802926264027120844900943806933123771997362754575366564550565935767231382389848651654274875498940040637221035964105061398462992523901690038876728675366998479528390800288037342107457869042583394388485050594587126930747570865818795361929882165353121881970437984315143889689860240167239595595262472917737001174603363318944286260156167043323965462022069996796731552015487712977717

Factorizations

Primary (ID: 47870) 16781408907556499260757977465495362550176785034914514275977466723003841162248691824236873615897897036310419 (proven prime)
(ID: 129658) 118421643193986272582934382376747176955394213218011462653884198509174194983283187553690988133031221324245534164791203472051423776596088183251890817253870441447410516687652273169278611931095603561008262091008256848852507449210058669655666674120149436180011959519746275850846211055574372528570551078959747598301640587499631671394180116509380294681240183691435693372645370870015172266698261192112492999362113245834333469912316421789865278434400961566062749109636358074338793053988142882235000502752517192462574197236976232216343 (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.