| 79711549 | Composite: proven not-prime with Lucas-Lehmer test No factors below 276 TF target 275 |
| P-1 | | B1 = | 1500000 | | B2 = | 675197670 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2017-08-19 | Ilya Alexandrov | DB39D4C94D458433 | 46401878 | Windows 64-bit,Prime95,v28.5,build 2 | | Verified | 2026-01-18 | riccardo uberti | DB39D4C94D458433 | 22891698 | Windows 64-bit,Prime95,v30.7,build 8 |
|
| History | | Date | User | Type | Result |
|---|
| 2026-01-18 | riccardo uberti | C-LL | DB39D4C94D458433 | | 2025-12-15 | riccardo uberti | NF-PM1 | B1=1500000, B2=675197670 | | 2025-09-03 | ElectricBill | NF | no factor TF: 75-76 | | 2017-08-19 | Ilya Alexandrov | C-LL | DB39D4C94D458433 | | 2016-11-08 | bam | NF-PM1 | B1=675000, B2=13500000 | | 2016-08-20 | AirSquirrels | NF | no factor TF: 74-75 | | 2016-08-20 | AirSquirrels | NF | no factor TF: 73-74 | | 2016-08-20 | AirSquirrels | NF | no factor TF: 72-73 | | 2016-03-01 | Greg | NF | no factor TF: 71-72 | | 2013-02-01 | josibo | NF | no factor TF: 70-71 | | 2011-03-25 | Dr. Nowak | NF | no factor TF: 69-70 | | 2011-03-18 | Dr. Nowak | NF | no factor TF: 68-69 | | 2011-03-11 | Dr. Nowak | NF | no factor TF: 67-68 | | 2011-03-04 | Dr. Nowak | NF | no factor TF: 66-67 | | 2010-12-12 | Craig Meyers | NF | no factor TF: 65-66 | | 2010-11-30 | Architects Cubed | NF | no factor TF: 64-65 | | 2009-05-27 | Architects Cubed | NF | no factor TF: 63-64 |
|
