Factor Info
| ID | 171513 |
| Size | 149 digits / 493 bits |
| Status | composite |
| Value | 21615753170513896081680025923107978737406338682235703211126617032551970217383694181039571881212419353896691889388185643279702073593616736261942690211 |
Factorizations
| Primary | (ID: 136425) 1550738312754197195984990763641083397417745874324021 (proven prime) |
| (ID: 171514) 13939007628000832943778073428641476733118046798548142880843617331913282180519841837853622665238391 (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.