Factor Info
| ID | 195563 |
| Size | 180 digits / 598 bits |
| Status | composite |
| Value | 638561787182483360465688394987301327600813545810721210002734228085385020305905110809856983654990516453793244052403947614722261959633149963482554734020666686280780576467214258321181 |
Factorizations
| Primary | (ID: 195564) 28135090879121915752313237568817 (proven prime) |
| (ID: 195565) 22696275975292410460511161195827149361663481268977748589751690108952048482269883417487846765912592261689787657783522592663076239121131076882092043693 (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.