Factor Info
| ID | 81665 |
| Size | 197 digits / 652 bits |
| Status | composite |
| Value | 12252278516999799003752282611965971828400198861374812318597444079636178214107161687699662306132182512800548860586890977393384309180137624608567044202834762438673308737525194517633865795679414687931 |
Factorizations
| Primary | (ID: 57216) 18723888886508419552544198894371479971 (proven prime) |
| (ID: 81666) 654366119734252009487005589965449513609450764317302078924592889757983726353803082595363410658352940641877451001301854480125815712060076675508207310695368330761 (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.