Factor Info
| ID | 158906 |
| Size | 207 digits / 688 bits |
| Status | composite |
| Value | 664404353554583012404383135090663443283640842366118975341476645832072898706305433090732316011091855935860744736941958975597610991169984519273136480474115982643263842636894666240798968811854639403179198649079 |
Factorizations
| Primary | (ID: 158907) 338570106056525843283391 (proven prime) |
| (ID: 158908) 1962383393186100240814576142518957024502881259902881697611153350379356357605049708855102649325749898867423797897923374165874428402574643413536165096825045351028788606937480315794516169 (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.