| 2359333 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 127 / 640 |
Estimated T-Level: 26.0 ⓘ TF below 2^81 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-02-24 | Jeff Shimbo | F8A5E7EEE80ABF5D | 0 | Windows,Prime95,v15,(aka WR1) | | Factored | 1999-03-01 | David Phillips | F8A5E7EEE80ABF5D | 1260484 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-10-12 | Oliver Kruse | B89C10DF962CF993 | 1 | 352921 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-24 | storm5510 | B89C10DF962CF993 | 1 | 276546 | 5 | 3 | | Verified | Certified Good | 2025-02-20 | feather | B89C10DF962CF993 | 2 | 2340893 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-20 | o-jill | CERT | Proof certified good | | 2025-02-20 | feather | C-PRP | M2359333/41797553337906988979207/915122598599877770030347879 : B89C10DF962CF993 Proof Certified Good
Proof Power: 7
| | 2025-02-20 | feather | F-ECM | Factor: 915122598599877770030347879 / ECM curve 25, B1=75482, B2=19214910, Edwards Sigma=932015468077277 | | 2018-04-27 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2359333/41797553337906988979207 : B89C10DF962CF993 | | 2017-10-12 | Oliver Kruse | C-PRP | M2359333/41797553337906988979207 : B89C10DF962CF993 | | 2015-08-18 | mikr | F-PM1 | Factor: 41797553337906988979207 / B1=3000000, B2=100000000 | | 2015-03-09 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-03-09 | VictordeHollander | NF | no factor TF: 63-64 | | 2014-10-22 | Joss | NF-PM1 | B1=144408 | | 2014-08-07 | Joss | NF-PM1 | B1=117204 | | 2013-01-23 | dbaugh | NF | no factor TF: 62-63 | | 2012-05-30 | Sebastian Hornbostel | NF | no factor TF: 61-62 | | 2011-01-23 | Oscar Östlin | NF-PM1 | B1=90000, B2=1822500, E=6 | | 2010-12-22 | Oscar Östlin | NF-PM1 | B1=75011 | | 2010-11-03 | Joss | NF-PM1 | B1=20000 | | 2009-01-17 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-09-21 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-03-01 | -anonymous- | C-LL | F8A5E7EEE80ABF5D | | 1998-02-24 | -anonymous- | C-LL | F8A5E7EEE80ABF5D |
|
