| Biggest factors for Alex Kruppa | nfs | ecm | p-1 | p+1 | any |
| Biggest factors (all users) | nfs | ecm | p-1 | p+1 | any |
| Recent factors (all users) | nfs | ecm | p-1 | p+1 | any |
| Search by user | nfs | ecm | p-1 | p+1 | any |
| # | User | Exponent | Factor | Digits | Bits ↓ * | Date |
|---|---|---|---|---|---|---|
| 1 | Alex Kruppa | 4957 | 2550181209981787884841625159550785058330886223 | 46 | 150.837 | 2020-08-29 |
| 2 | Alex Kruppa | 3413 | 1801386698628063669444450416074615884859831 | 43 | 140.370 | 2019-09-16 |
| 3 | Alex Kruppa | 4967 | 4547691789065121368210634276564841469369 | 40 | 131.740 | 2020-09-14 |
| 4 | Alex Kruppa | 53353 | 11082661809096046145125771045185383 | 35 | 113.094 | 2020-02-13 |
| 5 | Alex Kruppa | 47591 | 16873992625770994741243711479223 | 32 | 103.735 | 2020-04-21 |
| 6 | Alex Kruppa | 246707 | 16825239529012335018105253233407 | 32 | 103.730 | 2022-04-04 |
| 7 | Alex Kruppa | 50929 | 785903813997507076243903419241 | 30 | 99.310 | 2021-02-11 |
| 8 | Alex Kruppa | 2006869 | 269861416841381242864871 | 24 | 77.837 | 2022-03-14 |
| 9 | Alex Kruppa | 2189333 | 220811241237448923088457 | 24 | 77.547 | 2022-04-03 |
| 10 | Alex Kruppa | 1812061 | 202464666743952974280383 | 24 | 77.422 | 2021-02-17 |
| 11 | Alex Kruppa | 2166709 | 40371237812721149297113 | 23 | 75.096 | 2022-04-01 |
| 12 | Alex Kruppa | 2106173 | 5048843993416321137103 | 22 | 72.096 | 2022-03-11 |
| 13 | Alex Kruppa | 1984729 | 157247306944554957817 | 21 | 67.092 | 2021-02-23 |