Factor Info
| ID | 1237 |
| Size | 82 digits / 272 bits |
| Status | composite |
| Value | 4111667684391356527328571437758026220123595829207310846386113273107734425006588971 |
Factorizations
| Primary | (ID: 95) 16188856575286517818849171 (proven prime) |
| (ID: 1238) 253981352251160230212442043440409543904792970296050593801 (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.