| 399767993 | Composite: proven not-prime with PRP test No factors below 281 TF target 281 |
| P-1 | | B1 = | 1911000 | | B2 = | 244866510 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Unverified | 2015-10-13 | timc995 | 072B59DFDD66B3__ | 43112050 | Windows 64-bit,Prime95,v28.5,build 2 |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Verified | Certified Good Power=11 | 2024-07-18 | Kriesel | B65176F59BC29173 | 0 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-07-19 | tbusby | CERT | Proof certified good | | 2024-07-18 | Kriesel | C-PRP | B65176F59BC29173 Proof Certified Good
Proof Power: 11
| | 2023-02-06 | Mark Rose | NF | no factor TF: 80-81 | | 2022-11-12 | Kriesel | NF-PM1 | B1=1911000, B2=244866510 | | 2022-11-05 | Kriesel | NF | no factor TF: 79-80 | | 2022-11-05 | Kriesel | NF | no factor TF: 78-79 | | 2015-10-13 | timc995 | C-LL | 072B59DFDD66B3__ | | 2015-02-19 | timc995 | NF | no factor TF: 77-78 | | 2015-01-30 | timc995 | NF | no factor TF: 76-77 | | 2015-01-21 | timc995 | NF | no factor TF: 75-76 | | 2015-01-16 | timc995 | NF | no factor TF: 74-75 | | 2015-01-13 | timc995 | NF | no factor TF: 73-74 | | 2012-10-13 | Never Odd Or Even | NF | no factor TF: 72-73 | | 2012-04-28 | Never Odd Or Even | NF | no factor TF: 71-72 | | 2012-04-28 | Never Odd Or Even | NF | no factor TF: 70-71 | | 2012-04-28 | Never Odd Or Even | NF | no factor TF: 69-70 | | 2012-04-28 | Never Odd Or Even | NF | no factor TF: 65-69 | | 2010-05-11 | Architects Cubed | NF | no factor TF: 64-65 |
|
