| 49494491 | Composite: proven not-prime with Lucas-Lehmer test No factors below 276 TF target 273 |
| P-1 | | B1 = | 1000000 | | B2 = | 20000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2011-02-02 | Reed_Young | 7A86DB7D9715DCA1 | 37046200 | Linux 64-bit,Prime95,v25.9,build 4 | | Verified | 2016-10-16 | -anonymous- | 7A86DB7D9715DCA1 | 497168 | Windows 64-bit,Prime95,v27.9,build 1 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-12-23 | -anonymous- | NF | no factor TF: 75-76 | | 2020-12-22 | -anonymous- | NF | no factor TF: 74-75 | | 2020-12-07 | Sid & Andy | NF-PM1 | B1=1000000, B2=20000000 | | 2019-07-26 | Jon Pace | NF | no factor TF: 73-74 | | 2017-12-09 | monst | NF | no factor TF: 72-73 | | 2016-10-16 | -anonymous- | C-LL | 7A86DB7D9715DCA1 | | 2015-11-21 | dragonbud20 | NF | no factor TF: 71-72 | | 2015-11-01 | Mark Rose | NF | no factor TF: 70-71 | | 2015-08-24 | LaurV | NF | no factor TF: 69-70 | | 2011-02-02 | Reed_Young | C-LL | 7A86DB7D9715DCA1 | | 2010-10-17 | Reed_Young | NF-PM1 | B1=785000 | | 2008-10-04 | David Barley | NF | no factor TF: 1-69 | | 2008-06-03 | -anonymous- | NF | no factor TF: 1-64 | | 2007-06-15 | 1997rj7 | NF | no factor TF: 1-63 | | 2003-11-28 | Team Prime Rib | NF | no factor TF: 1-59 |
|
