| 99999373 | Composite: proven not-prime with Lucas-Lehmer test No factors below 278 TF target 276 |
| P-1 | | B1 = | 1115000 | | B2 = | 29268750 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2016-08-27 | mjmoron | D99AD225D28D2B7E | 89105946 | Linux 64-bit,Prime95,v28.9,build 2 | | Verified | 2026-02-23 | Naegi Makoto | D99AD225D28D2B7E | 0 | Windows64,prpll,vc363095-dirty |
|
| History | | Date | User | Type | Result |
|---|
| 2026-02-23 | Naegi Makoto | C-LL | D99AD225D28D2B7E | | 2021-12-01 | LordJulius | NF | no factor TF: 77-78 | | 2019-02-19 | Yxinity | NF | no factor TF: 76-77 | | 2018-06-12 | monst | NF | no factor TF: 75-76 | | 2018-03-19 | Yxinity | NF | no factor TF: 74-75 | | 2016-08-27 | mjmoron | C-LL | D99AD225D28D2B7E | | 2016-05-26 | Yxinity | NF | no factor TF: 73-74 | | 2016-01-27 | Yxinity | NF | no factor TF: 72-73 | | 2013-08-09 | Jim Donovan | NF | no factor TF: 71-72 | | 2012-06-01 | timbit | NF-PM1 | B1=1115000, B2=29268750 | | 2009-04-21 | unconnected | NF | no factor TF: 70-71 | | 2009-03-28 | timbit | NF | no factor TF: 69-70 | | 2009-03-20 | timbit | NF | no factor TF: 68-69 | | 2009-03-13 | timbit | NF | no factor TF: 67-68 | | 2009-03-10 | timbit | NF | no factor TF: 66-67 |
|
