Riesel primes of the form 20207•2n-1

Current data

k , b : 20207 , 2 Count : 40 Nash : 2495 Max n : 50,000 Date : 2022-06-08

6, 10, 14, 18, 28, 32, 74, 76, 142, 172, 188, 200, 214, 222, 234, 352, 420, 734, 996, 1162, 1348, 1700, 2768, 3092, 3354, 8102, 9694, 10472, 11458, 11464, 14032, 18732, 19500, 25112, 27254, 27744, 33480, 35804, 36350, 36498

History

• 2022-06-08: Checked to n = 50000, Alexander Jones
• 1989: Found n = 9694, John Brown, Landon Curt Noll, Bodo Parady, Gene Smith, Joel Smith, Sergio Zarantonello, Amdahl Six