| 2023-08-03 | curtisc | CERT | PRP Certification Proof certified good |
| 2023-08-03 | USAFSS | C-PRP | M210421/4263486029040194037856646703127 : 1EC9FFDFAB273B28 PRP proof power = 5 PRP: Verified Proof certified good |
| 2022-03-07 | LordJulius | NF | no factor from 2^54 to 2^55 |
| 2021-11-28 | fbaur | NF-PP1 | Start=6/5, B1=150000000, B2=14250000000 |
| 2021-11-27 | fbaur | NF-PP1 | Start=2/7, B1=150000000, B2=14400000000 |
| 2021-10-15 | nysv | CERT | PRP Certification Proof certified good |
| 2021-05-29 | curtisc | CERT | PRP Certification Proof certified good |
| 2021-05-29 | RichD0 | C-PRP | M210421/4263486029040194037856646703127 : 1EC9FFDFAB273B28 PRP proof power = 5 PRP: Verified Proof certified good |
| 2021-05-28 | mnd9 | C-PRP | M210421/4263486029040194037856646703127 : 1EC9FFDFAB273B28 PRP proof power = 5 PRP: Verified Proof certified good |
| 2021-05-28 | daveward2005 | F-ECM | Factor: 4263486029040194037856646703127 / (ECM curve 5, B1=1000000, B2=100000000, Sigma=4592390500231235) |
| 2019-12-16 | Gordon Spence | NF | no factor from 2^65 to 2^66 |
| 2019-03-30 | alex | NF-PM1 | B1=100000000, B2=2000000000, E=12 |
| 2018-02-26 | Gordon Spence | NF | no factor from 2^64 to 2^65 |
| 2016-07-12 | Joss | NF-PM1 | B1=22809600, B2=821145600, E=12 |
| 2016-04-07 | Joss | NF-PM1 | B1=22809600, B2=410572800, E=12 |
| 2016-03-28 | Joss | NF-PM1 | B1=13685760 |
| 2016-02-25 | Joss | NF-PM1 | B1=11404800, B2=205286400, E=12 |
| 2016-02-23 | Mark Rose | NF | no factor from 2^57 to 2^58 |
| 2016-01-17 | Gordon Spence | NF | no factor from 2^63 to 2^64 |
| 2016-01-17 | Gordon Spence | NF | no factor from 2^62 to 2^63 |
| 2015-06-14 | snme2pm1 | NF | no factor from 2^61 to 2^62 |
| 2013-07-29 | lycorn | NF | no factor from 2^60 to 2^61 |
| 2009-03-15 | axn | NF-PM1 | B1=5000000, B2=200000000, E=12 |
| 2009-01-28 | Sturle Sunde | NF | no factor from 2^59 to 2^60 |
| 2009-01-01 | Sturle Sunde | NF | no factor from 2^58 to 2^59 |
