| 2137 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 244 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 640 / 640 | | 35 | 1000000 | 1566 / 1566 | | 40 | 3000000 | 4588 / 4588 | | 45 | 11000000 | 9201 / 9201 | | 50 | 44000000 | 16550 / 16550 | | 55 | 110000000 | 40830 / 40830 | | 60 | 260000000 | 105362 / 105362 | | 65 | 800000000 | 72502 / 194238 |
Estimated T-Level: 61.9 ⓘ TF below 2^201 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Unknown | 7D57 | 0 | Unknown,(aka U) | | Factored | | George Woltman | 46CC3618AE127D57 | 0 | Woltman,Prime95,first web release,(aka W4) | | Factored | | Brian J. Beesley | 46CC3618AE127D57 | 0 | Mac,John Sweeney,v1.4,(aka J3) | | Factored | 2015-04-11 | MadPoo 🙂 | 46CC3618AE127D57 | 572 | Windows 64-bit,Prime95,v26,(aka We4) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | No proof (small exponent) | 2020-09-01 | M Miller | 6095C7586B32A230 | 1 | 1989 | 5 | 3 | | Verified | No proof (small exponent) | 2020-09-02 | kutens | 6095C7586B32A230 | 1 | 763 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-04-02 | masser | NF-PP1 | Start=141/37, B1=5300000000, B2=5294700000000 | | 2020-09-02 | kutens | C-PRP | M2137/434527865148151913428610180914321766584011558417928142522774921 : 6095C7586B32A230 | | 2020-09-01 | M Miller | C-PRP | M2137/434527865148151913428610180914321766584011558417928142522774921 : 6095C7586B32A230 | | 2020-09-01 | Ryan Propper | F-ECM | Factor: 434527865148151913428610180914321766584011558417928142522774921 | | 2017-10-07 | snme2pm1 | NF | no factor TF: 63-64 | | 2016-09-20 | James Hintz | NF-PM1 | B1=3220658789332, B2=257652703146560, E=12 | | 2016-06-20 | snme2pm1 | NF | no factor TF: 62-63 | | 2016-02-09 | James Hintz | NF-PM1 | B1=1777333115906, B2=142186649272480, E=12 | | 2015-07-08 | MadPoo 🙂 | NF-PM1 | B1=2222038391137, B2=10000000000000, E=12 | | 2015-06-22 | trebor | NF-PM1 | B1=100000000000, B2=10000000000000, E=12 | | 2015-04-11 | MadPoo 🙂 | C-LL | 46CC3618AE127D57 | | 2015-01-04 | Chris Smith | NF | no factor TF: 61-62 | | 2013-04-05 | Le Comte | NF-PM1 | B1=100000000000 | | 2012-04-16 | bcp19 | NF | no factor TF: 60-61 | | 2010-11-29 | monst | NF | no factor TF: 59-60 | | 2008-12-12 | Matthias Wurtinger | NF-PM1 | B1=20000000000, B2=2000000000000, E=12 | | 2005-04-02 | garyfu | NF | no factor TF: 1-59 | | 2002-12-25 | -anonymous- | NF-PM1 | B1=4290000000 | | 2002-10-19 | Alex Kruppa | NF | no factor TF: 1-57 | | 2002-09-14 | -anonymous- | NF-PM1 | B1=3221225472, B2=4290000000, E=48 | | 2002-08-03 | -anonymous- | NF-PM1 | B1=2147483648, B2=4290000000, E=48 | | 2002-05-25 | -anonymous- | NF-PM1 | B1=1073741824, B2=4290000000 | | 2001-05-27 | -anonymous- | NF-PM1 | B1=3000000000, B2=4290000000 | | 2001-02-11 | -anonymous- | NF-PM1 | B1=1000000, B2=100000000 | | 2000-07-25 | -anonymous- | NF | no factor TF: 1-56 | | 2000-05-05 | -anonymous- | NF | no factor TF: 50-52 | | 2000-01-25 | -anonymous- | NF | no factor TF: 54-55 | | 1999-09-14 | -anonymous- | NF | no factor TF: 50-53 | | 1999-01-02 | -anonymous- | NF | no factor TF: 50-52 | | 1998-10-25 | -anonymous- | NF | no factor TF: 1-54 |
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