| 109171 | Composite: proven not-prime with Lucas-Lehmer test No factors below 268 TF target 244 |
| P-1 | | B1 = | 10000000000 | | B2 = | 671544773439540 |
|
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 640 / 640 | | 35 | 1000000 | 1566 / 1566 | | 40 | 3000000 | 1812 / 4588 |
Estimated T-Level: 37.0 ⓘ TF below 2^118 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | | Unknown | 6C5C | 0 | Unknown,(aka U) | | Verified | | Mike Gach | 28D320A8E2C06C5C | 0 | Windows,Prime95,v11,(aka WC) | | Verified | | Brian J. Beesley | 28D320A8E2C06C5C | 0 | Mac,John Sweeney,vLL1.0b1,(aka J4) | | Verified | | Eivind Triel | 28D320A8E2C06C5C | 68013 | Windows,Prime95,v24 final,(aka Wc1) | | Verified | 2016-06-01 | MadPoo 🙂 | 28D320A8E2C06C5C | 89301 | Windows 64-bit,Prime95,v26,(aka We4) |
|
| History | | Date | User | Type | Result |
|---|
| 2023-03-04 | masser | NF-PP1 | Start=6/5, B1=60000000, B2=2160000000 | | 2023-03-02 | Oliver Kruse | NF-PM1 | B1=10000000000, B2=671544773439540 | | 2023-02-24 | Joss | NF-PM1 | B1=1000000, B2=370915575030 | | 2023-02-20 | masser | NF-PP1 | Start=93/67, B1=60000000, B2=2100000000 | | 2023-02-13 | masser | NF-PP1 | Start=2/7, B1=60000000, B2=2160000000 | | 2022-05-05 | 404_factor_not_found | NF | no factor TF: 67-68 | | 2022-03-07 | LordJulius | NF | no factor TF: 54-55 | | 2020-01-30 | Gordon Spence | NF | no factor TF: 66-67 | | 2018-08-19 | Gabriel Lignelli | NF | no factor TF: 65-66 | | 2018-05-18 | chuenkit | NF | no factor TF: 64-65 | | 2018-04-25 | mikr | NF-PM1 | B1=1000000000, B2=60000000000, E=12 | | 2016-06-01 | MadPoo 🙂 | C-LL | 28D320A8E2C06C5C | | 2016-03-08 | Gordon Spence | NF | no factor TF: 63-64 | | 2016-03-08 | Gordon Spence | NF | no factor TF: 62-63 | | 2016-02-23 | Mark Rose | NF | no factor TF: 57-58 | | 2015-08-25 | NR | NF | no factor TF: 61-62 | | 2013-10-09 | lycorn | NF | no factor TF: 60-61 | | 2012-12-17 | alpertron | NF-PM1 | B1=100000000, B2=2000000000, E=12 | | 2009-02-05 | monst | NF | no factor TF: 59-60 | | 2009-01-01 | Sturle Sunde | NF | no factor TF: 58-59 | | 2006-02-01 | Joss | NF-PM1 | B1=2000000 | | 2003-09-29 | -anonymous- | NF-PM1 | B1=262144, B2=26214400, E=12 | | 2003-02-02 | -anonymous- | NF-PM1 | B1=131072, B2=13107200, E=30 | | 2002-07-20 | -anonymous- | NF-PM1 | B1=65536, B2=6553600, E=12 | | 2002-06-02 | -anonymous- | NF-PM1 | B1=32768, B2=3276800 | | 2002-05-05 | -anonymous- | NF | no factor TF: 1-57 | | 2001-01-08 | -anonymous- | NF-PM1 | B1=1000000, B2=25000000 | | 2000-12-14 | -anonymous- | NF | no factor TF: 1-56 | | 2000-04-12 | -anonymous- | NF | no factor TF: 1-54 | | 1999-09-14 | -anonymous- | NF | no factor TF: 52-53 |
|
