| 1048573 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 260 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 100 / 640 |
Estimated T-Level: 25.8 ⓘ TF below 2^81 is very unlikely to find new factors due to ECM effort. |
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Factored | Certified Good Power=6 | 2025-09-01 | Kriesel | EDD9AB6233265E8C | 0 | 1 | 3 |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-09-28 | Oliver Kruse | BA00505BAA193096 | 2 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-10-15 | Oliver Kruse | BA00505BAA193096 | 2 | 473434 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-12-27 | ATH | BA00505BAA193096 | 2 | 314020 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-10-20 | csaszizoltan | C-LL | D06C58463383C8__ | | 2025-09-02 | rushyn | CERT | Proof certified good | | 2025-09-01 | Kriesel | C-PRP | EDD9AB6233265E8C Proof Certified Good
Proof Power: 6
| | 2021-07-18 | ViliamF | NF-PM1 | B1=10000000, B2=1110000000 | | 2017-12-27 | ATH | C-PRP | M1048573/73400111/233060253036251369591 : BA00505BAA193096 | | 2017-10-15 | Oliver Kruse | C-PRP | M1048573/73400111/233060253036251369591 : BA00505BAA193096 | | 2017-09-28 | Oliver Kruse | C-PRP | M1048573/73400111/233060253036251369591 : BA00505BAA193096 | | 2017-04-21 | TJAOI | F-ECM | Factor: 233060253036251369591 | | 2016-03-17 | alpertron | NF-PM1 | B1=300000, B2=10000000, E=12 |
|
