Factor Info
| ID | 163641 |
| Size | 92 digits / 304 bits |
| Status | composite |
| Value | 21554917287600515235641767915388264007354631045013077146436190954149302981485432585111209049 |
Factorizations
| Primary | (ID: 163545) 55707046407589949513 (proven prime) |
| (ID: 163642) 386933407488351603001377633853788171705276034845987758672955153034384273 (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.