Factor Info
| ID | 161220 |
| Size | 154 digits / 509 bits |
| Status | composite |
| Value | 1375405867462131486652699714236475668682479388079611676541036618717035002843766813174270036508041200712406924496856112321056328783372376286083880617711123 |
Factorizations
| Primary | (ID: 161025) 4599156088564925144271983 (proven prime) |
| (ID: 193613) 299056140077928825792388156702444267929348299788178249612131214307233520357550816045217340685953153154577482281346041897951783581 (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.