Factor Info
| ID | 199966 |
| Size | 64 digits / 210 bits |
| Status | composite |
| Value | 1317940701331924240568328519180458106647420214719915919461509769 |
Factorizations
| Primary | (ID: 215263) 572501857609087746044781729557 (proven prime) |
| (ID: 215264) 2302072358046098314706487931658917 (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.