Factor Info
| ID | 4521 |
| Size | 99 digits / 328 bits |
| Status | composite |
| Value | 511807838053552585138973853283417274133748447854017837719141533798723626325031949857832747514881953 |
Factorizations
| Primary | (ID: 4522) 23451446896560788630183 (proven prime) |
| (ID: 4523) 21824147580787880582130892176738138711164143597201570830617143631464144899191 (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.