| Biggest factors for Andrew B | 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 | Andrew B | 4531243 | 22564484928865518514695986167 | 29 | 94.188 | 2010-01-21 |
| 2 | Andrew B | 4800067 | 1152005337631755467414249 | 25 | 79.930 | 2019-06-01 |
| 3 | Andrew B | 3147017 | 159300920767139091936871 | 24 | 77.076 | 2011-08-03 |
| 4 | Andrew B | 3151843 | 13444237155307594312879 | 23 | 73.509 | 2011-08-06 |
| 5 | Andrew B | 8432461 | 172387925598369147889 | 21 | 67.224 | 2013-06-17 |
| 6 | Andrew B | 3151033 | 44724563045811859193 | 20 | 65.278 | 2011-08-05 |
| 7 | Andrew B | 3973253 | 30318986574697400647 | 20 | 64.717 | 2009-12-24 |
| 8 | Andrew B | 1586791 | 17847517457541522287 | 20 | 63.952 | 2011-07-30 |
| 9 | Andrew B | 3130987 | 11934967215189790129 | 20 | 63.372 | 2011-07-29 |
| 10 | Andrew B | 4525121 | 9999086184131769209 | 19 | 63.117 | 2010-01-19 |
| 11 | Andrew B | 2068487 | 8966828668435199897 | 19 | 62.959 | 2011-04-29 |
| 12 | Andrew B | 4686379 | 7494172822544218319 | 19 | 62.701 | 2010-02-11 |
| 13 | Andrew B | 3160753 | 5876113091259738791 | 19 | 62.350 | 2011-08-09 |