| 7524929 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 270 TF target 267 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 6 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-07-27 | Steve Harper | 3923F08F6512EBB1 | 2400637 | Windows,Prime95,v18,(aka WU1) | | Factored | 2003-02-02 | Daniel Swanson | 3923F08F6512EBB1 | 7418789 | Windows,Prime95,v22,(aka WY1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2020-06-04 | ANONYMOUS | 54CDB3664F486D24 | 1 | 4405278 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-06-06 | Luigi Morelli | 54CDB3664F486D24 | 1 | 4466571 | 5 | 3 | | Verified | Certified Good | 2025-10-28 | -anonymous- | 54CDB3664F486D24 | 2 | 1766500 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-10-28 | nkl | CERT | Proof certified good | | 2025-10-28 | -anonymous- | C-PRP | M7524929/295445116653753183961/968675480847700479388889 : 54CDB3664F486D24 Proof Certified Good
Proof Power: 8
| | 2025-10-17 | Sid & Andy | F-PM1 | Factor: 968675480847700479388889 / B1=2500000, B2=3943416750 | | 2025-06-18 | Greg | F | Factor: 295445116653753183961 / TF: 68-70 | | 2020-06-06 | Luigi Morelli | C-PRP | M7524929/295445116653753183961 : 54CDB3664F486D24 | | 2020-06-04 | ANONYMOUS | C-PRP | M7524929/295445116653753183961 : 54CDB3664F486D24 | | 2020-06-02 | chuenkit | F | Factor: 295445116653753183961 / TF: 68-69* | | 2018-07-31 | ramgeis | NF | no factor TF: 67-68 | | 2016-09-23 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-09 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-11-30 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-18 | Nesowa | NF | no factor TF: 63-64 | | 2012-05-05 | James Heinrich | NF-PM1 | B1=145000, B2=3153750, E=6 | | 2003-02-02 | dswanson | C-LL | 3923F08F6512EBB1 | | 2003-01-25 | dswanson | NF-PM1 | B1=40000, B2=660000, E=4 | | 2002-02-03 | -anonymous- | NF-PM1 | B1=35000, B2=35000 | | 1999-07-27 | -anonymous- | C-LL | 3923F08F6512EBB1 | | 1998-07-29 | -anonymous- | NF | no factor TF: 1-61 | | 1998-07-29 | -anonymous- | NF | no factor TF: 1-63 |
|
