| 2357 | Composite, with 1 known prime factor. Cofactor is PRP (Probable-Prime). Trial Factored to 268 TF target 244 |
| Factored | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Unknown | 77ED | 0 | Unknown,(aka U) | | Factored | | George Woltman | 2F2D2E9A1511F7ED | 0 | Woltman,Prime95,first web release,(aka W4) | | Factored | | Brian J. Beesley | 2F2D2E9A1511F7ED | 0 | Mac,John Sweeney,v1.4,(aka J3) | | Factored | 2015-04-11 | MadPoo 🙂 | 2F2D2E9A1511F7ED | 1889 | 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) | 2019-04-05 | matzetoni | PRP_PRP_PRP_PRP_ | 1 | 1581 | 1 | 3 | | Verified | No proof (small exponent) | 2019-04-05 | ATH | PRP_PRP_PRP_PRP_ | 1 | 2204 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-04-05 | ATH | P-PRP | M2357/66747193058349253980250138299492944283449631375464079700189511
PRP Cofactor | | 2019-04-05 | matzetoni | P-PRP | M2357/66747193058349253980250138299492944283449631375464079700189511
PRP Cofactor | | 2019-04-05 | Ryan Propper | F-ECM | Factor: 66747193058349253980250138299492944283449631375464079700189511 | | 2018-01-07 | snme2pm1 | NF | no factor TF: 63-64 | | 2017-02-12 | James Hintz | NF-PM1 | B1=3040530295103, B2=243242423608240, E=12 | | 2016-09-05 | snme2pm1 | NF | no factor TF: 62-63 | | 2016-07-13 | c10ck3r | NF-PM1 | B1=541461408331, B2=43316912666480, E=12 | | 2015-06-22 | trebor | NF-PM1 | B1=100000000000, B2=10000000000000, E=12 | | 2015-05-25 | trebor | NF-PM1 | B1=5000000000, B2=350000000000, E=12 | | 2015-05-04 | snme2pm1 | NF | no factor TF: 61-62 | | 2015-04-11 | MadPoo 🙂 | C-LL | 2F2D2E9A1511F7ED | | 2012-05-22 | bcp19 | NF | no factor TF: 60-61 | | 2011-04-21 | Joss | NF-PM1 | B1=200000000000 | | 2010-11-29 | Joss | NF-PM1 | B1=120000000000 | | 2010-11-26 | Joss | NF-PM1 | B1=100000000000 | | 2010-11-24 | Joss | NF-PM1 | B1=80000000000 | | 2010-11-23 | Joss | NF-PM1 | B1=78600000000 | | 2010-11-21 | Joss | NF-PM1 | B1=65000000000 | | 2010-11-21 | Joss | NF-PM1 | B1=41000000000 | | 2010-11-19 | Joss | NF-PM1 | B1=30000000000 | | 2010-11-19 | Joss | NF-PM1 | B1=25000000000 | | 2010-11-16 | Joss | NF-PM1 | B1=20000000000 | | 2010-11-15 | Joss | NF-PM1 | B1=15000000000 | | 2010-06-14 | chalsall | NF | no factor TF: 59-60 | | 2009-09-28 | abc | NF | no factor TF: 1-59 | | 2009-09-23 | James Hintz | NF-PM1 | B1=10000000000, B2=200000000000, E=12 | | 2002-12-25 | -anonymous- | NF-PM1 | B1=4290000000 | | 2002-12-02 | 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 | | 2001-06-03 | -anonymous- | NF-PM1 | B1=3000000000, B2=4290000000 | | 2001-02-11 | -anonymous- | NF-PM1 | B1=1000000, B2=100000000 | | 2000-08-01 | -anonymous- | NF | no factor TF: 1-56 | | 2000-05-05 | -anonymous- | NF | no factor TF: 1-55 | | 2000-02-01 | -anonymous- | NF | no factor TF: 54-55 | | 1999-09-14 | -anonymous- | NF | no factor TF: 50-53 |
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