Factor Info

ID 31278
Size 252 digits / 835 bits
Status composite
Value 221354958392337016969389481304504907160970586608960914472005839804784575003223045309968672252260033091582166973409467012082747752127711099056638139518004232825611353651073377795237405667982128325651540431520743680766615224636809136249824017650568645197

Factorizations

Primary (ID: 31279) 808915328590499386254591774467556408539129 (proven prime)
(ID: 31280) 273644163447908241888634935521995077321659861532535195036453491262030847901539683877962536839664418358286572689964823709381574423300317694042074950717756728443261456307983263135199343764717616966688205051707893 (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.