| 374321 | Composite: proven not-prime with Lucas-Lehmer test No factors below 268 TF target 244 |
| P-1 | | B1 = | 76000000 | | B2 = | 2198738582040 |
|
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 640 / 640 | | 35 | 1000000 | 1566 / 1566 | | 40 | 3000000 | 4588 / 4588 | | 45 | 11000000 | 1363 / 9201 |
Estimated T-Level: 40.7 ⓘ TF below 2^130 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | | James Young | 085D57AAC25F1241 | 0 | Windows 16-bit,Prime95,v11,(aka WB) | | Verified | | David Slowinski | 1241 | 0 | Cray,Slowinski,(aka D5) | | Verified | | Eivind Triel | 085D57AAC25F1241 | 245358 | Windows,Prime95,v24 final,(aka Wc1) | | Verified | 2002-01-08 | Dennis Pope | 085D57AAC25F1241 | 249751 | Windows,Prime95,v21,(aka WX1) |
|
| History | | Date | User | Type | Result |
|---|
| 2023-07-18 | JacobZ | NF-PM1 | B1=76000000, B2=2198738582040 | | 2023-02-06 | Joss | NF-PM1 | B1=1000000, B2=28509731250 | | 2023-01-17 | masser | NF-PP1 | Start=6/5, B1=20000000, B2=620000000 | | 2023-01-15 | masser | NF-PP1 | Start=170/23, B1=20000000, B2=620000000 | | 2023-01-07 | masser | NF-PP1 | Start=2/7, B1=20000000, B2=640000000 | | 2022-11-11 | Gordon Spence | NF | no factor TF: 67-68 | | 2022-09-11 | LordJulius | NF | no factor TF: 66-67 | | 2019-11-28 | Gordon Spence | NF | no factor TF: 65-66 | | 2018-02-06 | BloodERazor | NF | no factor TF: 64-65 | | 2016-12-16 | mikr | NF-PM1 | B1=60000000, B2=3000000000, E=12 | | 2015-11-22 | Gordon Spence | NF | no factor TF: 63-64 | | 2015-11-22 | Gordon Spence | NF | no factor TF: 62-63 | | 2015-08-13 | NR | NF | no factor TF: 61-62 | | 2013-01-27 | Sid & Andy | NF | no factor TF: 60-61 | | 2012-08-13 | alpertron | NF-PM1 | B1=10000000, B2=200000000, E=12 | | 2011-01-14 | Oscar Östlin | NF-PM1 | B1=2200000, B2=55000000, E=12 | | 2010-10-31 | Oscar Östlin | NF-PM1 | B1=2097169 | | 2009-01-24 | Sturle Sunde | NF | no factor TF: 59-60 | | 2009-01-06 | Sturle Sunde | NF | no factor TF: 58-59 | | 2004-01-18 | -anonymous- | NF | no factor TF: 1-58 | | 2002-08-24 | -anonymous- | NF-PM1 | B1=65536, B2=6553600, E=12 | | 2002-06-15 | -anonymous- | NF-PM1 | B1=32768, B2=3276800, E=12 | | 2002-02-03 | -anonymous- | NF | no factor TF: 1-57 | | 2002-01-08 | -anonymous- | C-LL | 085D57AAC25F1241 | | 2001-03-17 | -anonymous- | NF | no factor TF: 1-56 |
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