Factor Info
| ID | 4055 |
| Size | 174 digits / 578 bits |
| Status | composite |
| Value | 639857723907628937979347267680922818649659950409797672484981578215357956224499446550341994136286673560051664716671335674586741544546098686562828943820418375534883700261517781 |
Factorizations
| Primary | (ID: 11181) 121090008650245240545321284919376582913 (proven prime) |
| (ID: 11182) 5284149625885199325597173600535153717803768989225262605157775057791687340846067789125558026529512394985675744720768807067424843507150037 (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.