Factor Info

ID 137228
Size 517 digits / 1715 bits
Status composite
Value 1561982294017353328625497981945098081762069645017566853133728527389029581591189749950864012976604302959492550956598540713399785753538111546141207742963433473451290721570307043468595249764387977149516763282920912498160864098750735474544249578029199738555613091949085527217872094674189819395512363437494683002735412469281722930646790844608923983800877913152668743212243618811391441117790068545397946563170738417207561922093286448933827018036658133971390667839502120680650575463176546068302388864053505781612912315533117

Factorizations

Primary (ID: 171550) 56305465728408991383655372830197739090408877 (proven prime)
(ID: 172109) 27741219681080681617265906888625509790020632606891917639840146338207639221506617686463062507073323882059897683503081073428669957236254010180384526874556953487380050584534959959463656577943018701019153301286017427185580630190364777058351065267985244849589640519638524272043552467150040355286493815238327250583184664579218166178365967433727446624908736708514220929986559087105250343694824198719199086158092909501874642702203340409137370078359221222322737550101131502496967121 (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.