| 2321443 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 133 / 640 |
Estimated T-Level: 26.0 ⓘ TF below 2^81 is very unlikely to find new factors due to ECM effort. |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-10-11 | Oliver Kruse | EB2D656AB5F49C4F | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-23 | storm5510 | EB2D656AB5F49C4F | 1 | 109151 | 1 | 3 | | Verified | Certified Good | 2025-01-21 | MarkS | 4BDE2E83835298A9 | 2 | 121619 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-21 | Torchwood Institute | CERT | Proof certified good | | 2025-01-21 | MarkS | C-PRP | M2321443/176177498064462319/365417702899138103536275089 : 4BDE2E83835298A9 Proof Certified Good Proof Power: 7
| | 2025-01-21 | MarkS | F-ECM | Factor: 365417702899138103536275089 / ECM curve 26, B1=78051, B2=62268570, Edwards Sigma=7723611510671674 | | 2021-04-24 | ViliamF | NF-PM1 | B1=5000000, B2=500000000 | | 2018-03-05 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-23 | storm5510 | C-PRP | M2321443/176177498064462319 : EB2D656AB5F49C4F | | 2017-10-11 | Oliver Kruse | C-PRP | M2321443/176177498064462319 : EB2D656AB5F49C4F |
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