Riesel primes of the form 373•2n-1

Current data

k , b : 373 , 2 Type : Low Count : 15 Nash : 537 Max n : 2,000,000 Date : 2013-01-01

7, 27, 67, 279, 891, 1891, 3667, 4171, 5299, 19027, 82231, 125611, 126271, 418927, 1575751

History

• 2013-01-01: Checked to n = 2000000, Ian M. Gunn, released
• 2012-12-21: Found n = 1575751, Ian M. Gunn
• 2012-12-16: Checked to n = 1400000, Ian M. Gunn
• 2012-10-22: Reserved by Ian M. Gunn, to n=2000000
• 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
• 2008-07-31: Checked n = 850000 - 900000, Carlos Eduardo Pinho, released, results included
• 2008-07-30: Checked n = 900000 - 1000000, Carlos Eduardo Pinho, results included
• 2008-07-30: Checked to n = 850000, Carlos Eduardo Pinho, results included
• 2008-07-27: Checked to n = 800000, Carlos Eduardo Pinho, results included
• 2008-07-22: Reserved by Carlos Eduardo Pinho, for 711000<n<1000000
• 2008-05-26: Checked to n = 711000, Carlos Eduardo Pinho, released
• 2008-05-14: Checked to n = 640000, Carlos Eduardo Pinho
• 2008-05-09: Reserved by Carlos Eduardo Pinho, for 600000<n<1000000
• 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
• 2006-01-09: Found n = 418927, Peter O'braian
• 2003-06-06: Found n = 126271, Steven Harvey
• 2003-06-06: Found n = 125611, Steven Harvey