Factor Info
| ID | 163863 |
| Size | 171 digits / 567 bits |
| Status | composite |
| Value | 452197928130911286522833870687414642342366027392923082832863723347589195782269473695284775937214493074783372982559518580293158557923319972740989857246557093902925685996387 |
Factorizations
| Primary | (ID: 163521) 8867271386989288065907 (proven prime) |
| (ID: 163864) 50996288305149801027754002814137170028213099652469995672965436345440906343410285821340180049210326650894830393932873256148980965356046586491037250641 (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.