| 7309639 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 267 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 6 / 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 |
|---|
| Bad | 1999-11-24 | Matt Boothe | FC360CEB6C57F7A8 | 1871335 | Windows,Prime95,v18,(aka WU1) | | Factored | 2002-04-14 | Ars Technica Team Prime Rib | CB199D1887C70BA1 | 4724433 | Windows,Prime95,v21,NT service,(aka WX5) | | Factored | 2002-09-14 | Jean-Yves Canart | CB199D1887C70BA1 | 4756128 | Windows,Prime95,v22,(aka WY1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-05-29 | M Miller | DF7042B437F7D9B3 | 1 | 2385905 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-30 | Luigi Morelli | DF7042B437F7D9B3 | 1 | 660631 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-10-09 | Sid & Andy | NF-PM1 | B1=2600000, B2=4388651190 | | 2020-05-30 | Luigi Morelli | C-PRP | M7309639/765495614329839853297 : DF7042B437F7D9B3 | | 2020-05-29 | M Miller | C-PRP | M7309639/765495614329839853297 : DF7042B437F7D9B3 | | 2020-05-24 | GdS | F | Factor: 765495614329839853297 / TF: 69-70 | | 2020-05-24 | GdS | NF | no factor TF: 68-69 | | 2018-08-05 | ramgeis | NF | no factor TF: 67-68 | | 2016-10-01 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-07-30 | Squeeky_Squirrel | NF-PM1 | B1=225000, B2=5681250, E=12 | | 2015-06-21 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-11-18 | David Campeau | NF | no factor TF: 64-65 | | 2012-09-10 | Nesowa | NF-PM1 | B1=80000, B2=1380000, E=6 | | 2012-04-04 | David Campeau | NF | no factor TF: 63-64 | | 2006-05-12 | JC | C-LL | CB199D1887C70BA1 | | 2002-09-14 | JC | C-LL | CB199D1887C70BA1 | | 2002-04-14 | Team Prime Rib | C-LL | CB199D1887C70BA1 | | 2001-12-22 | -anonymous- | NF-PM1 | B1=35000, B2=367500 | | 1999-11-24 | -anonymous- | C-LL | FC360CEB6C57F7A8 | | 1998-10-25 | -anonymous- | NF | no factor TF: 1-63 | | 1998-07-11 | -anonymous- | NF | no factor TF: 1-61 | | 1998-06-28 | -anonymous- | NF | no factor TF: 1-61 |
|
