Factor Info
| ID | 163638 |
| Size | 72 digits / 237 bits |
| Status | composite |
| Value | 213707646826830724679147448699437525568678840967403972649698089164042091 |
Factorizations
| Primary | (ID: 163544) 344259250668476133897803120866298471 (proven prime) |
| (ID: 195338) 620775320959007602861222100226480221 (proven prime) |
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.