Factor Info
| ID | 18215 |
| Size | 127 digits / 420 bits |
| Status | composite |
| Value | 2190908643380671780177076788779980174489181351650598834252654570050841475837488071418369007364026023370046999669809583499062017 |
Factorizations
| Primary | (ID: 17984) 7167647480643504302058174754486698790538818746798241 (proven prime) |
| (ID: 18216) 305666349984050020407521618850510874021711561005079274183829481426565783137 (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.