| 3707701 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 57 / 640 |
Estimated T-Level: 25.4 ⓘ TF below 2^80 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Bad | | David Willmore | 24124D28664D0968 | 0 | Mlucas,Ernst Mayer,v2.5 and later,(aka E2) | | Factored | 1998-05-16 | Bob 'rab' Bickford | 465514B67CDBF49E | 0 | Windows,Prime95,v15,(aka WR1) | | Factored | 1999-11-10 | Ullrich Heinemann | 465514B67CDBF49E | 2449774 | Windows,Prime95,v18,NT service,(aka WU5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-15 | fordobr | A464C43A22BF3B61 | 1 | 3343139 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-16 | ky0uraku | CERT | Proof certified good | | 2025-01-15 | fordobr | C-PRP | M3707701/100352980970919572865692304607 : A464C43A22BF3B61 Proof Certified Good
Proof Power: 7
| | 2025-01-15 | fordobr | F-ECM | Factor: 100352980970919572865692304607 / ECM curve 38, B1=107013, B2=275660385, Edwards Sigma=2613517253809238 | | 2024-08-19 | Joss | NF-PM1 | B1=10000000, B2=14452898460 | | 2023-12-21 | Joss | NF-PM1 | B1=2356991, B2=4881856980 | | 2023-09-02 | Joss | NF-PM1 | B1=1000000, B2=1508917410 | | 2021-05-06 | axn | NF-PM1 | B1=14000000, B2=700000000 | | 2021-03-04 | axn | NF | no factor TF: 69-70 | | 2020-12-17 | axn | NF | no factor TF: 68-69 | | 2019-01-14 | TJAOI | NF | no factor TF: 67-68 | | 2016-10-30 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2016-02-23 | ramgeis | NF | no factor TF: 65-66 | | 2015-01-20 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-20 | VictordeHollander | NF | no factor TF: 63-64 | | 2012-12-03 | Squeeky_Squirrel | NF-PM1 | B1=245000, B2=7717500, E=12 | | 2012-04-19 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-04-13 | Grant McCracken | NF | no factor TF: 61-62 | | 2009-07-06 | Carsten Kossendey | NF-PM1 | B1=20000, B2=260000 | | 2009-03-06 | S485122 | NF | no factor TF: 60-61 | | 1999-11-10 | -anonymous- | C-LL | 465514B67CDBF49E | | 1998-05-16 | -anonymous- | C-LL | 465514B67CDBF49E | | 1998-04-21 | -anonymous- | NF | no factor TF: 1-60 |
|
