Factor Info

ID 137374
Size 621 digits / 2063 bits
Status composite
Value 556443256260999555827093436275903804555929054860407000335592207147453961905862414685501613269093061482409968912157220308411593981836058813913411940656506983421951621405136128597129997268340929087084593727577486063797803823147635913216099282856974790752321909033805081853815867416316938291726007582900230941674410638070636857248798249127462251754495434639056156075214316897756334274075752607540113082263048536262277387730706062256558457194068177028427840794316574193941762220464947400323924887382376403704404812095591538223417832612855058309148113260088210875373061963418683862095499969397777319700209053130592036804462141

Factorizations

Primary (ID: 136597) 1395279662546069925421 (proven prime)
(ID: 137375) 398804104437110779200572664760257855396020108346976605862934417511096533984571083021072007856087470714502221188569486079723714012399209358559003361255061976179877555696685495926714923198491595081070238965442707229166117158144713758930908130582484771567853556611849380596600192334091677441575371695342879322531234740661333095151801768066966035653712088735292960070198999275341286967860428104397045159078525781644696354117258675733178146079424731343593062569084984907254054027736423435015991422641346669038073419365130842350928194323796279146672234358754385928085448350219277554535093328262316236362321 (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.