| 3469469 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 222 / 280 |
Estimated T-Level: 24.0 ⓘ TF below 2^75 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | phil kenny | 6D5738ED535E5AF4 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-11-24 | MIT dept. of Univ. of Jyvaskyla | 6D5738ED535E5AF4 | 2817370 | Linux 32-bit,Prime95,v19,(aka WV2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-01 | Andrey Dobrynin | 4957B3E9039E9647 | 1 | 3187568 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-02 | sean89 | CERT | Proof certified good | | 2025-03-01 | Andrey Dobrynin | C-PRP | Proof Certified Good Proof Power: 7
| | 2025-03-01 | Andrey Dobrynin | F-ECM | Factor: 146216206592930763970279 / ECM curve 15, B1=131910, B2=275660385, Edwards Sigma=8445411322419510 | | 2024-09-04 | Joss | NF-PM1 | B1=10000000, B2=15851575740 | | 2024-01-12 | Joss | NF-PM1 | B1=2420441, B2=5029784760 | | 2022-05-18 | TJAOI | NF | no factor TF: 69-70 | | 2021-03-31 | axn | NF-PM1 | B1=20000000, B2=1000000000 | | 2021-01-08 | axn | NF | no factor TF: 68-69 | | 2019-01-14 | TJAOI | NF | no factor TF: 67-68 | | 2017-02-10 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-60 | | 2016-01-04 | ramgeis | 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 | | 2014-09-25 | HBendtz | NF-PM1 | B1=500000, B2=10000000, E=12 | | 2014-08-21 | Joss | NF-PM1 | B1=78500 | | 2012-08-18 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-11-10 | USAFSS | NF-PM1 | B1=60000, B2=990000, E=6 | | 2011-07-22 | markr | NF | no factor TF: 61-62 | | 2009-07-06 | Carsten Kossendey | NF-PM1 | B1=20000, B2=235000 | | 2009-03-21 | S485122 | NF | no factor TF: 60-61 | | 1999-11-24 | ANONYMOUS | C-LL | 6D5738ED535E5AF4 |
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