Factor Info
| ID | 20354 |
| Size | 194 digits / 643 bits |
| Status | composite |
| Value | 19706498920579086592406252092943225689912079315637881964501603538739455504152249184030026727686216955680400285594214426845879645900830492512461279873505259091187607822417803422526654680869422161 |
Factorizations
| Primary | (ID: 2224) 100009999999899989999000000010001 (proven prime) |
| (ID: 20355) 197045284677520178897349226764739724756707237807450758556517067689414203073053389959454552608012038301295622129469393657470404029984261417459724066788202747812161 (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.