Factor Info
| ID | 643 |
| Size | 114 digits / 377 bits |
| Status | composite |
| Value | 168972983991434297756444748763718253952957367601344831015694851245125821677640357221793682864473447831867631515513 |
Factorizations
| Primary | (ID: 9262) 474660128686813741388532659647585617001 (proven prime) |
| (ID: 9263) 355987313404460463024766879912130111237550142620657349045631330465911994513 (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.