Factor Info
| ID | 31087 |
| Size | 163 digits / 539 bits |
| Status | composite |
| Value | 1639315197940809667448339580417100415038402262394669426574463489152326359105678493600579141072729005722327932854760554622342056075255377405762329811983918955776769 |
Factorizations
| Primary | (ID: 7686) 1026745888453552697436968844848917190436254094111712318750754497 (proven prime) |
| (ID: 31088) 1596612381287337393411801524316035101063722597815373439650115337315711186653160251741722088193856577 (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.