| 75075457 | Composite: proven not-prime with both PRP and Lucas-Lehmer tests No factors below 275 TF target 274 |
| P-1 | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2016-04-25 | Kyle Z Schmidt | 1A9731C8E5754CD3 | 18772953 | Windows 64-bit,Prime95,v28.7,build 1 | | Verified | 2025-09-07 | -anonymous- | 1A9731C8E5754CD3 | 2999562 | Windows 64-bit,Prime95,v30.19,build 15 |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Verified | Certified Good Power=8 | 2024-10-22 | Luke Durant | B29994D27D67AB7F | 0 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-09-07 | -anonymous- | C-LL | 1A9731C8E5754CD3 | | 2024-10-22 | xyuzyz | CERT | Proof certified good | | 2024-10-22 | Luke Durant | C-PRP | B29994D27D67AB7F Proof Certified Good
Proof Power: 8
| | 2016-04-25 | Kyle Z Schmidt | C-LL | 1A9731C8E5754CD3 | | 2015-04-07 | Nesowa | NF-PM1 | B1=655000, B2=13100000, E=12 | | 2015-04-04 | Nesowa | NF | no factor TF: 74-75 | | 2014-11-06 | Sebastian Hornbostel | NF | no factor TF: 73-74 | | 2013-12-27 | processinfo | NF | no factor TF: 72-73 | | 2013-12-27 | processinfo | NF | no factor TF: 71-72 | | 2013-12-27 | processinfo | NF | no factor TF: 70-71 | | 2013-10-28 | moerelman | NF | no factor TF: 69-70 | | 2010-08-04 | -anonymous- | NF | no factor TF: 68-69 | | 2010-08-01 | Net_Force | NF | no factor TF: 67-68 | | 2010-07-31 | oodaira | NF | no factor TF: 66-67 | | 2010-07-30 | SAHS Math Dept | NF | no factor TF: 65-66 | | 2004-12-23 | Marzbug | NF | no factor TF: 1-65 | | 2004-07-02 | Marzbug | NF | no factor TF: 1-65 |
|
