| 2435569 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 129 / 280 |
Estimated T-Level: 22.3 ⓘ TF below 2^69 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Phil Gibbs | A946E2641C99B41A | 0 | Windows,Prime95,v13,(aka WP1) | | Factored | 1999-05-09 | Christopher Haack | A946E2641C99B41A | 51612 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-10-13 | Oliver Kruse | 02F5868296BE2211 | 1 | 1895868 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-27 | storm5510 | 02F5868296BE2211 | 1 | 1190626 | 5 | 3 | | Verified | Certified Good | 2025-11-22 | feather | 02F5868296BE2211 | 2 | 124817 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-11-22 | Cong Shengzhuo | CERT | Proof certified good | | 2025-11-22 | feather | C-PRP | M2435569/228413338749161374215909841/4776827555081939290897 : 02F5868296BE2211 Proof Certified Good
Proof Power: 7
| | 2025-11-22 | feather | F-ECM | Factor: 4776827555081939290897 / ECM curve 12, B1=95480, B2=45643455, Edwards Sigma=2830137345106067 | | 2022-03-10 | LordJulius | NF | no factor TF: 1-60 | | 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-27 | storm5510 | C-PRP | M2435569/228413338749161374215909841 : 02F5868296BE2211 | | 2017-10-13 | Oliver Kruse | C-PRP | M2435569/228413338749161374215909841 : 02F5868296BE2211 | | 2014-05-07 | mikr | F-PM1 | Factor: 228413338749161374215909841 | | 2013-01-23 | dbaugh | NF | no factor TF: 62-63 | | 2012-06-05 | Sebastian Hornbostel | NF | no factor TF: 61-62 | | 2011-01-24 | Oscar Östlin | NF-PM1 | B1=95000, B2=1923750, E=6 | | 2011-01-09 | Oscar Östlin | NF-PM1 | B1=75011 | | 2010-11-17 | Joss | NF-PM1 | B1=20000 | | 2009-01-11 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-10-31 | Team Prime Rib | NF-PM1 | B1=15000, B2=217500 | | 2003-10-14 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-09-30 | -anonymous- | C-LL | A946E2641C99B41A | | 1999-05-09 | -anonymous- | C-LL | A946E2641C99B41A | | 1999-04-13 | foxkid | NF | no factor TF: 1-59 | | 1999-03-15 | foxkid | NF | no factor TF: 1-59 |
|
