| 25275373 | Composite: proven not-prime with Lucas-Lehmer test No factors below 273 TF target 270 |
| P-1 | | B1 = | 1205000 | | B2 = | 2807918190 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2004-09-16 | Graham West | B15E346568A983AC | 4812833 | Windows,Prime95,v23,(aka WZ1) | | Verified | 2012-04-30 | Dubslow | B15E346568A983AC | 919571 | Linux 64-bit,Prime95,v27.6,build 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-12-03 | Jason Lynch | NF-PM1 | B1=1205000, B2=2807918190 | | 2022-12-19 | Sid & Andy | NF | no factor TF: 72-73 | | 2021-01-08 | -anonymous- | NF | no factor TF: 70-71 | | 2021-01-08 | -anonymous- | NF | no factor TF: 71-72 | | 2017-03-19 | ramgeis | NF | no factor TF: 69-70 | | 2012-04-30 | Dubslow | C-LL | B15E346568A983AC | | 2012-04-19 | bcp19 | NF | no factor TF: 67-69 | | 2006-10-01 | TheGazMan | C-LL | B15E346568A983AC | | 2006-10-01 | TheGazMan | NF-PM1 | B1=235000, B2=1116250 | | 2004-09-16 | TheGazMan | C-LL | B15E346568A983AC | | 2004-09-14 | TheGazMan | NF-PM1 | B1=235000, B2=1116250 | | 2004-09-02 | TheGazMan | NF-PM1 | B1=235000, B2=1116250 | | 2004-04-20 | korva | NF | no factor TF: 1-67 | | 2004-01-18 | markr | NF | no factor TF: 1-62 | | 2001-08-24 | Matt | NF | no factor TF: 1-58 | | 2001-08-12 | Net_Force | NF | no factor TF: 1-56 |
|
