Factor Info
| ID | 161217 |
| Size | 166 digits / 550 bits |
| Status | composite |
| Value | 2510221186822522611144451699615538964937931392258732977288936742807796674632897667380399070715938653593157222261777419911928922583056548060654025013377441740221347961 |
Factorizations
| Primary | (ID: 163090) 1385635024276146799187159248094179 (proven prime) |
| (ID: 193608) 1811603447404093704365968757872456634015991264385445297198419461606296917039869677564256743518116502831440194121924186329679575996659 (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.