Factor Info
| ID | 641 |
| Size | 139 digits / 459 bits |
| Status | composite |
| Value | 1181215020395621324279279014200670520834315209218264744850961661200838531819742286108174213903248217456505883997658595242041590512180754801 |
Factorizations
| Primary | (ID: 642) 6990555486997260704693177 (proven prime) |
| (ID: 643) 168972983991434297756444748763718253952957367601344831015694851245125821677640357221793682864473447831867631515513 (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.