Factor Info
| ID | 131877 |
| Size | 135 digits / 447 bits |
| Status | composite |
| Value | 320528333124028719037511949274908860419342652280444668386721069974444500234088859633186012582466690822130404937664009203986301203759727 |
Factorizations
| Primary | (ID: 167809) 1276510846672627851615095313889284277672664124131976230679615049 (proven prime) |
| (ID: 131719) 251097226443098886970664441840231990201201851332912023687544574398706423 (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.