Factor Info
| ID | 155019 |
| Size | 104 digits / 345 bits |
| Status | composite |
| Value | 61587637778617588387323884888169981036938017621113428563592330040956524693404874429630542908951849032921 |
Factorizations
| Primary | (ID: 157090) 1637872091108040680148042294721 (proven prime) |
| (ID: 188953) 37602226762990259800922084610628618698337476215045874583754989615477714201 (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.