Factor Info
| ID | 81355 |
| Size | 70 digits / 231 bits |
| Status | composite |
| Value | 2547296174876664665013817293931384084333412680625743916456436837328999 |
Factorizations
| Primary | (ID: 81356) 1774661951764579434452171694433 (proven prime) |
| (ID: 81141) 1435369802312964804941403275094813832903 (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.