Factor Info
| ID | 2397 |
| Size | 107 digits / 354 bits |
| Status | composite |
| Value | 21052287526011661638855898561958550808967512593252136458534135185728532850881710728755796944932729741489801 |
Factorizations
| Primary | (ID: 2206) 318727841165674579776721 (proven prime) |
| (ID: 2398) 66050983964932930432728335875287798541638614797506600029816574611482278773203047481 (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.