Factor Info
| ID | 2172 |
| Size | 51 digits / 169 bits |
| Status | composite |
| Value | 686842776321458547323547007682822760920434828452383 |
Factorizations
| Primary | (ID: 2173) 3404193829806058997303 (proven prime) |
| (ID: 2145) 201763709900322803748657942361 (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.