Factor Info
| ID | 63837 |
| Size | 87 digits / 288 bits |
| Status | composite |
| Value | 445455847434786275512121963644760832635638975019946339828875868422409702864911966228701 |
Factorizations
| Primary | (ID: 64220) 2399158810218216705783416701 (proven prime) |
| (ID: 90153) 185671680231234718928335548576185124415118449292435102412001 (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.