Factor Info
| ID | 131811 |
| Size | 93 digits / 308 bits |
| Status | composite |
| Value | 511916954916846630505668706170675090619301728501556578722995500352520123495982398645501761297 |
Factorizations
| Primary | (ID: 131676) 1502097124754084594737 (proven prime) |
| (ID: 131812) 340801501101771278447357078269616236655300179819017786935785549434054881 (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.