Factor Info

ID 152509
Size 316 digits / 1049 bits
Status composite
Value 4155248177383253070512302420804962629085598750796797898134743117196654758745818713275066671298910242708142882873278215907621872258742064459975655847130103083566613131217020594839611864692853166659714258486101389768290298038193260773249715624918820248260685405020550417165576066644758941439390472608064539788534332819

Factorizations

Primary (ID: 152164) 25065552102266095813 (proven prime)
(ID: 152510) 165775250448506596811482769999212679367582766500699065114011683954441143712273561082013919726123197964949553105703820218608522045809976312703978873510727012865736878653312293207523316371469680866532856542106849173742808119792109975272653690301835649064705697604038949923940405459219903644840518263 (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.