Factor Info
| ID | 17520 |
| Size | 87 digits / 287 bits |
| Status | composite |
| Value | 213193329102132860419335457322213078680859806165920368380091936479772538159648560668273 |
Factorizations
| Primary | (ID: 17521) 4476499706959521340159489111133569 (proven prime) |
| (ID: 7619) 47625006826357122080464279208098880721125912766130417 (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.