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RPS Drive 12
- Name: Riesel Prime Search Drive 12
- Purpose: The goal of this drive is to search for primes of the form k•2n-1 for 13 high-weighted 2000 < k < 2300.
- Link: Mersenne Forum
- Started: 2013-08-28
- Ended: 2015-04-20
- k-values: 2043, 2049, 2061, 2079, 2085, 2103, 2127, 2205, 2211, 2253, 2259, 2271, 2289
- n-values: 1025000 ≤ n ≤ 1310000
Data table
| k-value | Nash | Candidates | prime(s) for n |
|---|---|---|---|
| 2043 | 4049 | 18733 | 1061700, 1094124, 1114516, 1185062 |
| 2049 | 2853 | 13409 | 1102720, 1111613, 1267508 |
| 2061 | 3124 | 14577 | 1087375, 1156802, 1216253, 1247471 |
| 2079 | 3221 | 15151 | 1132635 |
| 2085 | 3345 | 15723 | 1211126, 1276098 |
| 2103 | 3935 | 18391 | 1057854, 1282580 |
| 2127 | 3437 | 16434 | 1078970, 1177082 |
| 2205 | 3532 | 16896 | 1275529 |
| 2211 | 4509 | 20744 | 1111659, 1142207, 1149075, 1162499, 1255185, 1268154 |
| 2253 | 3507 | 16824 | |
| 2259 | 3437 | 16284 | 1075969, 1165204 |
| 2271 | 3180 | 14721 | 1038481 |
| 2289 | 3107 | 14286 | 1287743 |
