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RPS Megabit Drive 3
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Purpose
The goal of this drive is to search for primes of the form k•2n-1 for k ≤ 300 and n > 1400000.
Started
- 2014-05-30
Ended
- 2022-03-09
k-values
- 2014-05-30: k = 203, 205, 219, 227, 235, 257, 259
- 2014-06-03: adding k = 275, 295
- All for drive: k = 203, 205, 219, 227, 235, 257, 259, 275, 295
Data table
The data file can be found here. All k's searched for 1400000 ≤ n ≤ 2222000.
| k-value | Nash | Candidates | # primes | prime(s) for n
|
|---|---|---|---|---|
| 203 | 1687 | 23371 | 0 | |
| 205 | 1351 | 19486 | 2 | 1537779, 1666435 |
| 219 | 1069 | 14363 | 1 | 2178673 |
| 227 | 2550 | 34112 | 0 | |
| 235 | 1563 | 21706 | 3 | 1718787, 1824515, 2163273 |
| 257 | 1867 | 26086 | 2 | 1658254, 2108554 |
| 259 | 1561 | 21162 | 1 | 1695723 |
| 275 | 1581 | 22195 | 1 | 1846390 |
| 295 | 1266 | 16545 | 1 | 1832129 |
