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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

All k's searched for 1400000 ≤ n ≤ 2222000.

k-value Nash Candidates prime(s) for n
203 1687 23371
205 1351 19486 1537779, 1666435
219 1069 14363 2178673
227 2550 34112
235 1563 21706 1718787, 1824515, 2163273
257 1867 26086 1658254, 2108554
259 1561 21162 1695723
275 1581 22195 1846390
295 1266 16545 1832129

Range history

External Links

Riesel Prime Search