Riesel primes of the form 20057•2n-1

Reserved! This sequence is currently reserved by: Norman D. Powell

Current data

k , b : 20057 , {{{Rb}}} Count : Attention! Parameter RCount=15 not given! Nash : 1052 Max n : 200,000 Date : 2020-04-28 Reserved : Norman D. PowellNorman D. Powell/Reserved

4, 16, 70, 130, 546, 1416, 1444, 2680, 8986, 19312, 20056, 73804, 80104, 89314, 104980

[[Category:Riesel {{{Rb}}}|#.....20057]]

History

• 2020-04-28: Checked to n = 200000, Norman D. Powell
• 2020-04-20: Reserved by Norman D. Powell
• 2019-08-16: Checked to n = 25000, Alexander Jones
• 1998-07-03: Found n = 20056, Henri Lifchitz