| 2330753 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 123 / 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 | 68A847C7850AF09E | 2 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-23 | storm5510 | 68A847C7850AF09E | 2 | 2265286 | 1 | 3 | | Verified | Certified Good | 2025-04-01 | feather | 0AF5585ABCFFFFBE | 3 | 1342217 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-04-01 | Land Shark | CERT | Proof certified good | | 2025-04-01 | feather | C-PRP | M2330753/2549843783/14911860910792507153/1327953006792727709327 : 0AF5585ABCFFFFBE Proof Certified Good
Proof Power: 7
| | 2025-04-01 | feather | F-ECM | Factor: 1327953006792727709327 / ECM curve 43, B1=80688, B2=12970230, Edwards Sigma=4314155643573835 | | 2021-04-21 | ViliamF | NF-PM1 | B1=5000000, B2=505000000 | | 2018-03-18 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-23 | storm5510 | C-PRP | M2330753/2549843783/14911860910792507153 : 68A847C7850AF09E | | 2017-10-11 | Oliver Kruse | C-PRP | M2330753/2549843783/14911860910792507153 : 68A847C7850AF09E | | 2016-06-14 | -anonymous- | F-ECM | Factor: 14911860910792507153 |
|
