Factor Info
| ID | 647 |
| Size | 103 digits / 340 bits |
| Status | composite |
| Value | 1155929118176516556977278827439513319774838148757727004631841875824343623295351904585221097188598033329 |
Factorizations
| Primary | (ID: 9266) 669652072271051271698436113 (proven prime) |
| (ID: 9267) 1726163728958995415582360100435909821134450126487632483379499987102352163233 (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.