Factor Info
| ID | 28956 |
| Size | 210 digits / 697 bits |
| Status | composite |
| Value | 646399988955485047025497691111268971038315406191176825192605585927098130761524537143465550152037272054590124595625403025802368273968296852643323748678712302745874766052929264463974423912072150026824826822656337 |
Factorizations
| Primary | (ID: 16434) 615506112662870422746709179075698731217 (proven prime) |
| (ID: 28957) 1050192639288273076084414014659967441914852114601533340909265633670092675384387390765736994250086892513237345497744702333160633742183061389357732398787999169550721426911361 (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.