| 71972347 | Composite: proven not-prime with PRP test No factors below 276 TF target 274 |
| P-1 | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Unverified | 2015-09-15 | Kyle Z Schmidt | ECC388C2E00D75__ | 4924712 | Windows 64-bit,Prime95,v28.5,build 2 |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Verified | Certified Good Power=9 | 2024-11-09 | Luke Durant | E03AE752BE48F2C5 | 0 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-11-09 | Mark Filipski | CERT | Proof certified good | | 2024-11-09 | Luke Durant | C-PRP | E03AE752BE48F2C5 Proof Certified Good Proof Power: 9
| | 2023-01-02 | tottenhoff | NF | no factor TF: 75-76 | | 2015-09-15 | Kyle Z Schmidt | C-LL | ECC388C2E00D75__ | | 2015-08-18 | NickOfTime | NF | no factor TF: 74-75 | | 2014-07-09 | NickOfTime | NF | no factor TF: 73-74 | | 2014-07-07 | timc995 | NF-PM1 | B1=705000, B2=15686250, E=12 | | 2014-07-01 | Chuck | NF | no factor TF: 72-73 | | 2014-07-01 | Chuck | NF | no factor TF: 71-72 | | 2012-11-20 | abc | NF | no factor TF: 70-71 | | 2012-09-17 | tsc | NF | no factor TF: 1-70 | | 2010-05-15 | S36049 | NF | no factor TF: 68-69 | | 2010-05-11 | S36049 | NF | no factor TF: 67-68 | | 2010-05-10 | S36049 | NF | no factor TF: 66-67 | | 2010-05-08 | S36049 | NF | no factor TF: 65-66 | | 2010-05-06 | S36049 | NF | no factor TF: 64-65 | | 2008-10-07 | Wojciech Florek | NF | no factor TF: 1-64 | | 2002-05-11 | Joss | NF | no factor TF: 1-57 |
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