Factor Info
| ID | 55220 |
| Size | 145 digits / 481 bits |
| Status | composite |
| Value | 3879525129739557916968198990235467627530957233145398839865311555774541645440929058640553823587406331365913584270899443642870760915050319512741471 |
Factorizations
| Primary | (ID: 54851) 158943831041162255277151 (proven prime) |
| (ID: 55221) 24408151636503988308064695387725826338712224118355429620215858232876856096056708229942623951776377318204683686427360376321 (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.