Factor Info
| ID | 1887 |
| Size | 178 digits / 589 bits |
| Status | composite |
| Value | 1664647167166748244244675945481153349508656132254944427595367090717879908944395030670774188928814086312447951865466960354811842795896830648948103742195844644291650696508132092481 |
Factorizations
| Primary | (ID: 9989) 16576534631005442319892021591281043087 (proven prime) |
| (ID: 9990) 100421903867236683850394605634266897844835613795369155357495611758676442780882844665329577926381880371733884580530985753786662989379052694063 (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.