Factor Info
| ID | 16667 |
| Size | 162 digits / 538 bits |
| Status | composite |
| Value | 500187616171799941136149571074012617077680683795516109480428709223551989239343849780197949430244005801478788385111239930785955667766909043644188584368095347529539 |
Factorizations
| Primary | (ID: 16668) 591570397114510975382037276803611 (proven prime) |
| (ID: 16669) 845525094919477584688759437075932282572914588582793667018878160422657608439436938924715968028180298224594594672057479173477126649 (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.