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Riesel primes of the form 643•2n-1

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Reserved! This sequence is currently part of Multi Reservation 3: NPLB Drive 18.

Current data

k , b : 643 , 2
Type : Low
Count : 19
Nash : 719
Max n : 2,150,000
Date : 2024-01-06
Reserved : No Prime Left BehindNo Prime Left Behind/Reserved
47, 71, 231, 275, 323, 495, 1331, 3771, 9767, 10923, 11123, 26043, 49223, 61571, 66671, 178515, 1069859, 1377447, 1403415

History