| 3442763 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 75 / 640 |
Estimated T-Level: 25.6 ⓘ TF below 2^80 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | John Lloyd | EEA040B767C90158 | 0 | Windows,Prime95,v14,NT service,(aka WQ5) | | Factored | 1999-08-16 | MFS Software | EEA040B767C90158 | 2847161 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-02-12 | fordobr | 2436F067956DA39F | 1 | 3441762 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-12 | George Woltman | CERT | Proof certified good | | 2025-02-12 | fordobr | C-PRP | M3442763/1685633999655401536302409 : 2436F067956DA39F Proof Certified Good Proof Power: 7
| | 2025-02-12 | fordobr | F-ECM | Factor: 1685633999655401536302409 / ECM curve 40, B1=130061, B2=459443985, Edwards Sigma=5201803927244392 | | 2023-05-02 | Sid & Andy | NF-PM1 | B1=7900000, B2=20272480410 | | 2022-06-15 | TJAOI | NF | no factor TF: 69-70 | | 2021-06-08 | Numberwang | NF-PM1 | B1=1000000, B2=30000000 | | 2021-06-05 | mikr | NF-PM1 | B1=5000000, B2=200000000 | | 2021-01-03 | axn | NF | no factor TF: 68-69 | | 2018-08-22 | Joss | NF-PM1 | B1=430000, B2=4300000 | | 2018-08-21 | Joss | NF-PM1 | B1=430000, B2=3870000 | | 2018-07-30 | TJAOI | NF | no factor TF: 67-68 | | 2017-02-06 | Gordon Spence | NF | no factor TF: 66-67 | | 2017-02-04 | Joss | NF-PM1 | B1=198720 | | 2017-01-29 | Joss | NF-PM1 | B1=165600 | | 2017-01-19 | Joss | NF-PM1 | B1=138000 | | 2017-01-15 | Squeeky_Squirrel | NF-PM1 | B1=215000, B2=6288750, E=12 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-04-15 | Gordon Spence | NF | no factor TF: 65-66 | | 2015-02-07 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-02-07 | VictordeHollander | NF | no factor TF: 63-64 | | 2012-08-18 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-08-09 | markr | NF | no factor TF: 1-62 | | 2010-10-12 | markr | NF-PM1 | B1=115000, B2=2558750, E=6 | | 2009-03-22 | S485122 | NF | no factor TF: 60-61 | | 1999-08-16 | -anonymous- | C-LL | EEA040B767C90158 |
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