Riesel primes of the form 27139•2n-1

Current data

k , b : 27139 , 2 Count : 30 Nash : 2002 Max n : 50,000 Date : 2024-06-23

1, 3, 7, 11, 15, 27, 31, 37, 63, 103, 111, 133, 157, 361, 407, 735, 831, 843, 911, 1091, 1271, 1795, 1985, 1993, 4637, 9041, 9691, 10935, 11485, 12555

History

• 2024-06-23: Checked to n = 50000, Alexander Jones
• 1989: Found n = 9691, John Brown, Landon Curt Noll, Bodo Parady, Gene Smith, Joel Smith, Sergio Zarantonello, Amdahl Six