| 2263069 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 134 / 640 |
Estimated T-Level: 26.0 ⓘ TF below 2^82 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Hgin normaalilyseo | 76F32FCB256CD809 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-03-01 | Michael Collier | 76F32FCB256CD809 | 1989614 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-12-22 | ATH | 5A0D23954A6C243C | 1 | 864696 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-23 | storm5510 | 5A0D23954A6C243C | 1 | 496182 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-01-28 | USAFSS | NF-PM1 | B1=288000, B2=308189700 | | 2017-12-23 | storm5510 | C-PRP | M2263069/5938990079537186622079 : 5A0D23954A6C243C | | 2017-12-22 | ATH | C-PRP | M2263069/5938990079537186622079 : 5A0D23954A6C243C | | 2017-12-22 | bam | F-ECM | Factor: 5938990079537186622079 | | 2017-01-15 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-03-29 | Joss | NF-PM1 | B1=342144, B2=3421440, E=6 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-60 | | 2015-10-30 | ramgeis | NF | no factor TF: 65-66 | | 2015-03-10 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-03-10 | VictordeHollander | NF | no factor TF: 63-64 | | 2014-09-02 | Joss | NF-PM1 | B1=128362 | | 2013-12-06 | Jerry Hallett | NF | no factor TF: 62-63 | | 2012-05-05 | Sebastian Hornbostel | NF | no factor TF: 61-62 | | 2011-01-04 | markr | NF-PM1 | B1=100000, B2=2100000, E=6 | | 2010-11-12 | Joss | NF-PM1 | B1=30000 | | 2010-11-07 | Joss | NF-PM1 | B1=15000 | | 2009-01-11 | Sturle Sunde | NF | no factor TF: 60-61 | | 1999-03-01 | -anonymous- | C-LL | 76F32FCB256CD809 |
|
