| 3526993 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 257 / 280 |
Estimated T-Level: 24.6 ⓘ TF below 2^77 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Shaun Case | 0FDFD7D027B94987 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-10-15 | Ben Hampson | 0FDFD7D027B94987 | 2020704 | Windows,Prime95,v17,NT service,(aka WT5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-21 | fordobr | 25FACA30F812088F | 1 | 1462242 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-21 | cameloid | CERT | Proof certified good | | 2025-01-21 | fordobr | C-PRP | M3526993/212374357080051212199347863 : 25FACA30F812088F Proof Certified Good Proof Power: 7
| | 2025-01-21 | fordobr | F-ECM | Factor: 212374357080051212199347863 / ECM curve 28, B1=119939, B2=176568315, Edwards Sigma=6310422555892386 | | 2023-06-09 | Sid & Andy | NF-PM1 | B1=5900000, B2=17849291460 | | 2022-01-27 | mikr | NF-PM1 | B1=4000000, B2=324000000 | | 2021-09-15 | ArtyomP | NF-PP1 | Start=6/5, B1=50000, B2=2500000 | | 2021-09-15 | ArtyomP | NF-PP1 | Start=2/7, B1=50000, B2=2500000 | | 2021-03-19 | -anonymous- | NF | no factor TF: 71-72 | | 2021-03-17 | -anonymous- | NF | no factor TF: 70-71 | | 2021-03-17 | -anonymous- | NF | no factor TF: 69-70 | | 2021-01-19 | axn | NF | no factor TF: 68-69 | | 2021-01-08 | Dylan Delgado | NF-PM1 | B1=1600000, B2=50000000, E=12 | | 2018-11-26 | TJAOI | NF | no factor TF: 67-68 | | 2017-05-06 | Joss | NF-PM1 | B1=340000, B2=3400000, E=6 | | 2017-01-10 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-03-03 | ramgeis | NF | no factor TF: 65-66 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-60 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-10-22 | Squeeky_Squirrel | NF-PM1 | B1=170000, B2=4590000, E=6 | | 2015-01-27 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-27 | VictordeHollander | NF | no factor TF: 63-64 | | 2014-11-10 | Joss | NF-PM1 | B1=96396 | | 2014-08-07 | Joss | NF-PM1 | B1=78198 | | 2012-06-20 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-11-21 | USAFSS | NF-PM1 | B1=60000, B2=990000, E=6 | | 2011-07-05 | Grant McCracken | NF | no factor TF: 61-62 | | 2009-07-06 | Carsten Kossendey | NF-PM1 | B1=20000, B2=245000 | | 2009-03-18 | S485122 | NF | no factor TF: 60-61 | | 1999-10-15 | -anonymous- | C-LL | 0FDFD7D027B94987 |
|