| 80000527 | Composite: proven not-prime with Lucas-Lehmer test No factors below 276 TF target 275 |
| P-1 | | B1 = | 2100000 | | B2 = | 48000000 |
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| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2016-11-01 | ??? ??? ??? | 90BB6BF02E83BC6F | 9124609 | Windows 64-bit,Prime95,v28.9,build 2 | | Verified | 2024-08-05 | electron1897 | 90BB6BF02E83BC6F | 6260885 | Linux 64-bit,Prime95,v30.19,build 20 |
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| History | | Date | User | Type | Result |
|---|
| 2024-08-05 | electron1897 | C-LL | 90BB6BF02E83BC6F | | 2020-02-19 | mikr | NF-PM1 | B1=2100000, B2=48000000, E=6 | | 2020-01-11 | mikr | NF | no factor TF: 75-76 | | 2016-11-01 | ??? ??? ??? | C-LL | 90BB6BF02E83BC6F | | 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 | | 2010-12-24 | mkras | NF | no factor TF: 70-71 | | 2010-10-11 | timbit | NF-PM1 | B1=900000, B2=24750000 | | 2009-05-04 | unconnected | NF | no factor TF: 69-70 | | 2009-04-10 | unconnected | NF | no factor TF: 68-69 | | 2009-04-03 | timbit | NF | no factor TF: 67-68 | | 2009-03-29 | timbit | NF | no factor TF: 66-67 |
|