| 80000483 | Composite: proven not-prime with Lucas-Lehmer test No factors below 276 TF target 275 |
| P-1 | | B1 = | 2100000 | | B2 = | 48000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2016-12-11 | electron1897 | 38CC029E0131991A | 33163667 | Windows 64-bit,Prime95,v28.9,build 2 | | Verified | 2024-12-23 | MobileSolutions | 38CC029E0131991A | 38004971 | Mac OS X 64-bit,Prime95,v29.8,build 7 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-12-23 | MobileSolutions | C-LL | 38CC029E0131991A | | 2020-02-19 | mikr | NF-PM1 | B1=2100000, B2=48000000, E=6 | | 2020-01-11 | mikr | NF | no factor TF: 75-76 | | 2016-12-11 | electron1897 | C-LL | 38CC029E0131991A | | 2016-08-03 | Sid & Andy | NF | no factor TF: 74-75 | | 2015-10-29 | mikr | NF | no factor TF: 73-74 | | 2015-10-29 | mikr | NF | no factor TF: 72-73 | | 2015-04-20 | sasaki | NF | no factor TF: 71-72 | | 2010-12-13 | GrunwalderGIMP | NF | no factor TF: 70-71 | | 2010-10-09 | timbit | NF-PM1 | B1=900000, B2=24750000 | | 2009-05-04 | unconnected | NF | no factor TF: 69-70 | | 2009-04-09 | unconnected | NF | no factor TF: 68-69 | | 2009-04-02 | timbit | NF | no factor TF: 67-68 | | 2009-03-29 | timbit | NF | no factor TF: 66-67 |
|