Factor Info
| ID | 4387 |
| Size | 90 digits / 299 bits |
| Status | composite |
| Value | 533365381507162318763428825703236126179339019429664676307449095884171456166523776308663019 |
Factorizations
| Primary | (ID: 11525) 881304930739946561320646289889 (proven prime) |
| (ID: 4250) 605199588591144003100881306574406851660288427740394885828171 (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.