| 2530403 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 124 / 280 |
Estimated T-Level: 22.2 ⓘ TF below 2^69 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) | 2017-10-14 | Oliver Kruse | C0D2E5CFC9CA19D7 | 1 | 1435247 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-01 | storm5510 | C0D2E5CFC9CA19D7 | 1 | 336527 | 5 | 3 | | Verified | Certified Good | 2025-06-03 | JC_Herles | C0D2E5CFC9CA19D7 | 2 | 2035204 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-06-03 | ky0uraku | CERT | Proof certified good | | 2025-06-03 | JC_Herles | C-PRP | M2530403/2064808849/47252674230712099314358273 : C0D2E5CFC9CA19D7 Proof Certified Good Proof Power: 7
| | 2025-06-03 | JC_Herles | F-ECM | Factor: 47252674230712099314358273 / ECM curve 26, B1=65384, B2=86437648, Edwards Sigma=3396986017078161 | | 2021-09-21 | Dylan Delgado | NF-PM1 | B1=3000000, B2=273000000 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-01 | storm5510 | C-PRP | M2530403/2064808849 : C0D2E5CFC9CA19D7 | | 2017-10-14 | Oliver Kruse | C-PRP | M2530403/2064808849 : C0D2E5CFC9CA19D7 |
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