Factor Info
| ID | 161172 |
| Size | 117 digits / 387 bits |
| Status | composite |
| Value | 255908280050580804702071402921641512559626919509020416834096890079902561336461520921183880313288432387158508908667089 |
Factorizations
| Primary | (ID: 161009) 303506602986530953629247272361 (proven prime) |
| (ID: 161173) 843172034915950503847444393839763392206835059279555661334357875664553395604007270857449 (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.