Factor Info
| ID | 18231 |
| Size | 61 digits / 203 bits |
| Status | composite |
| Value | 8003893135993277727353130138493330801604329648792016235232651 |
Factorizations
| Primary | (ID: 8177) 217648180992721729506406538251 (proven prime) |
| (ID: 18232) 36774454532477494745039267894401 (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.