Factor Info
| ID | 42659 |
| Size | 96 digits / 318 bits |
| Status | composite |
| Value | 515871515079140976454711650113917323546064398455766364267949640458524181546230210723175423469241 |
Factorizations
| Primary | (ID: 1756) 2551017286913735861521 (proven prime) |
| (ID: 42660) 202221881335524431838051764313301894705803043600621760500838719238702401321 (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.