Factor Info
| ID | 15520 |
| Size | 159 digits / 525 bits |
| Status | composite |
| Value | 103490544735950622691869821866136257044770929155692941487104444086871580250951902583358725289950526678789260303363510250061192903988971023767810251635632808301 |
Factorizations
| Primary | (ID: 11143) 347845646370185161095967265379428963144557189176373959511073050525241 (proven prime) |
| (ID: 15521) 297518585659725800133717615262210026192247517437901418982937846097045544005437712492264661 (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.