| 8329537 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 269 TF target 268 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-12-30 | John R Pierce | 4DDB3DB1BDE6F28A | 3081443 | Windows,Prime95,v19,(aka WV1) | | Factored | 2002-10-07 | Norman Ehrentreich | 4DDB3DB1BDE6F28A | 2335283 | Windows,Prime95,v21,(aka WX1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2019-12-09 | Chang Chia-Tche | 67FD9FB885B26680 | 1 | 3148249 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-04-22 | marssystems | 67FD9FB885B26680 | 1 | 4032536 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-14 | beep | NF-PM1 | B1=1750000, B2=6800436720 | | 2020-04-22 | marssystems | C-PRP | M8329537/477043450258289993279 : 67FD9FB885B26680 | | 2019-12-09 | Chang Chia-Tche | C-PRP | M8329537/477043450258289993279 : 67FD9FB885B26680 | | 2019-12-05 | mnd9 | F | Factor: 477043450258289993279 / TF: 68-69 | | 2018-01-16 | monst | NF | no factor TF: 67-68 | | 2015-12-26 | snme2pm1 | NF | no factor TF: 66-67 | | 2015-05-28 | VictordeHollander | NF | no factor TF: 65-66 | | 2014-03-12 | lycorn | NF | no factor TF: 64-65 | | 2012-08-01 | firejuggler | NF-PM1 | B1=95000, B2=1662500, E=6 | | 2004-01-07 | -anonymous- | NF-PM1 | B1=40000, B2=370000 | | 2004-01-07 | -anonymous- | C-LL | 4DDB3DB1BDE6F28A | | 2002-10-07 | -anonymous- | C-LL | 4DDB3DB1BDE6F28A | | 2002-09-07 | -anonymous- | NF-PM1 | B1=40000, B2=370000 | | 1999-12-30 | -anonymous- | C-LL | 4DDB3DB1BDE6F28A | | 1999-09-14 | -anonymous- | NF | no factor TF: 1-64 | | 1999-03-26 | -anonymous- | NF | no factor TF: 1-63 | | 1998-09-13 | -anonymous- | NF | no factor TF: 1-62 |
|
