Factor Info
| ID | 42715 |
| Size | 124 digits / 410 bits |
| Status | composite |
| Value | 1971235357481350376056678776172624281622517881110294129168824889111440248894351077757195200771665823955512917073622876000367 |
Factorizations
| Primary | (ID: 726) 151409133906803874308734561 (proven prime) |
| (ID: 1778) 13019263148910786722353413140093322390089761121527696412455461544391809354995273163725552612516047 (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.