Factor Info

ID 187409
Size 513 digits / 1702 bits
Status composite
Value 215207688478856923897961514232713451684558342818445623348816684161801938131376020390705606217196642810295352137721062140605646282419405558793500087710861622816547066802923150681821003715539601195765630081811694888941877871480864577477665395398057080731214959973314889738151741759017938282567453663617255965236695711367015832741487709836890905427523162307587731653741402635504577489519090700994469035053490831497956602194769334819831391052667036872904194898481853166933128148720531286710451599145975356747225627961

Factorizations

Primary (ID: 152600) 4525570943365305683398045926241 (proven prime)
(ID: 187410) 47553710056045249658530295071731469274074788086710549765630686002944454880681132305891562305517482255204138240560792478802194513389396700633520045057982502618032899159580947161940014922747890697885481401281117036749152557224459461528243682266024765769763767313754379104664702389968148688487433796962648032876717691800686296923124996490409051548477746000510352809232342230373011161235562687037069314410669804304587180943699961206092373227731288970754312987224761331184481304169160921 (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.