Factor Info

ID 157422
Size 608 digits / 2019 bits
Status composite
Value 31215955930426367800391801069937018989949563376253598687834281089622845066013525928807504558710053460897469341762280997417497048398479200523134019744559337931405977991366143011817808400325427295095435409060554024964086532717274261640223406055497459413926002251497933603868911576123845010758060498149135536705257034810943102417324980524889421432866502105626339976615124320487890184235348894870030480204445182595140067121367174518369180175038019657031468425574925425546114877027145025261869122393934223394675532487843726739958123554955227154090853952726473489185865674273038477847256168803828200156548692698551

Factorizations

Primary (ID: 3108) 21505409328405921060057783156144213618485460844911284448661782641 (proven prime)
(ID: 191528) 1451539724435472380083449285056372243871523726046445595048304201130507233383973376505148351039196572141530975855026643199041349084064963384080644746070634495546988920751206623137701561080310698659099472868665836785907582184231768649410196096149672251515481930018320383753778690050468754074676951193479497702279925679788059037453901489780968831611270379058496270893065081716836656472958097755142374150149206463582515731315959863191983945753438458883408372199476505738526658679413806861955550418260757945836280941905147563810886441984501358009511 (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.