| 1060867 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 271 TF target 260 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 99 / 640 |
Estimated T-Level: 25.8 ⓘ TF below 2^81 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Phil Nesser | 02A3B625171089D0 | 0 | Windows,Prime95,v11,(aka WC) | | Factored | | The Grebelius Family | 02A3B625171089D0 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | | Cornelius Caesar | 02A3B625171089D0 | 0 | Mac,John Sweeney,v1.4,(aka J3) | | Factored | 2015-11-11 | MadPoo 🙂 | 02A3B625171089D0 | 138999 | Windows 64-bit,Prime95,v26,(aka We4) |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Factored | Certified Good Power=6 | 2025-09-01 | Kriesel | FC53B66BDF0CB782 | 0 | 1 | 3 |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-12-02 | kkmrkkblmbrbk | FC53B66BDF0CB782 | 1 | 135032 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-02 | storm5510 | FC53B66BDF0CB782 | 1 | 899652 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-09-01 | RareSaturn | CERT | Proof certified good | | 2025-09-01 | Kriesel | C-PRP | FC53B66BDF0CB782 Proof Certified Good Proof Power: 6
| | 2017-12-02 | storm5510 | C-PRP | M1060867/3737351694356543547963047 : FC53B66BDF0CB782 | | 2017-12-02 | kkmrkkblmbrbk | C-PRP | M1060867/3737351694356543547963047 : FC53B66BDF0CB782 | | 2017-12-01 | TJAOI | F-ECM | Factor: 3737351694356543547963047 | | 2016-05-21 | Bruno Victal | NF-PM1 | B1=2500000, B2=62500000, E=12 | | 2016-04-02 | Joss | NF-PM1 | B1=1080930 | | 2016-03-23 | Joss | NF-PM1 | B1=900775 | | 2016-02-23 | Mark Rose | NF | no factor TF: 58-60 | | 2015-11-11 | MadPoo 🙂 | C-LL | 02A3B625171089D0 | | 2015-10-16 | Bruno Victal | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2014-10-22 | Joss | NF-PM1 | B1=321002 | | 2014-08-07 | Joss | NF-PM1 | B1=260501 | | 2014-04-01 | Never Odd Or Even | NF | no factor TF: 70-71 | | 2013-12-10 | Never Odd Or Even | NF | no factor TF: 69-70 | | 2013-12-10 | Never Odd Or Even | NF | no factor TF: 68-69 | | 2013-12-10 | Never Odd Or Even | NF | no factor TF: 67-68 | | 2013-12-10 | Never Odd Or Even | NF | no factor TF: 66-67 | | 2013-12-10 | Never Odd Or Even | NF | no factor TF: 65-66 | | 2013-12-10 | Never Odd Or Even | NF | no factor TF: 64-65 | | 2013-12-10 | Never Odd Or Even | NF | no factor TF: 63-64 | | 2012-10-07 | dbaugh | NF | no factor TF: 62-63 | | 2012-01-31 | bcp19 | NF-PM1 | B1=200000, B2=100000000, E=12 | | 2011-12-31 | bcp19 | NF-PM1 | B1=200000, B2=10000000, E=12 | | 2010-11-12 | Michael C | NF | no factor TF: 61-62 | | 2009-02-14 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-04-03 | -anonymous- | NF | no factor TF: 1-58 | | 2002-01-28 | Joss | NF-PM1 | B1=100, B2=1000 | | 2001-11-17 | -anonymous- | NF | no factor TF: 1-57 |
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