Factor Info
| ID | 17420 |
| Size | 74 digits / 244 bits |
| Status | composite |
| Value | 15404028827802113548438004365520271751450302207190164161219464302654576497 |
Factorizations
| Primary | (ID: 17115) 54824363564629401758409941 (proven prime) |
| (ID: 17421) 280970499723962289858902531662958021839590057517 (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.