Riesel primes of the form 121275•2n-1

Current data

k , b : 121275 , 2 Type : 315 Count : 41 Nash : 5607 Max n : 10,000 Date : 2008-07-23

4, 6, 7, 10, 12, 15, 21, 34, 47, 64, 66, 67, 70, 128, 138, 189, 234, 265, 272, 334, 340, 379, 414, 505, 518, 846, 873, 1048, 1123, 1204, 1220, 1570, 2647, 3366, 3764, 3882, 4463, 4531, 4855, 5654, 7603

History

• 2008-07-23: Checked to n = 10000, David Harrison
• 1990-01-01: Found n = 7603, John Brown, Landon Curt Noll, Bodo Parady, Gene Smith, Joel Smith, Sergio Zarantonello, Amdahl Six