RPS Megabit Drive 3

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• Name: Riesel Prime Search 3rd Megabit Drive
• Purpose: The goal of this drive is to search for primes of the form k•2ⁿ-1 for k ≤ 300 and n > 1400000.
• Link: Mersenne Forum
• 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

• n-values: 1400000 ≤ n ≤ 2222000

Data table

All k's searched for entire n-range.

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

Range history

Riesel Prime Search

Miscellaneous

Main

Current work

Megabit Drive‎ 1

Completed

Drive 1 Drive 2 Drive 3 Drive 4 Drive 5 Drive 6 Drive 7 Drive 8 Drive 9 Drive 10 Drive 11 Drive 12 Megabit Drive‎ 2 Megabit Drive‎ 3

Individual k-searches

k=5 k=15 k=17

Others