Factor Info
| ID | 131889 |
| Size | 73 digits / 242 bits |
| Status | composite |
| Value | 4203158481570098568621923898199928613628210369116463560982546036674086737 |
Factorizations
| Primary | (ID: 131722) 2934413293238858072198024161 (proven prime) |
| (ID: 131890) 1432367584775648032290819051792496005705116017 (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.