Riesel primes of the form 9787•2n-1

Current data

k , b : 9787 , 2 Type : Low Count : 5 Nash : 110 Max n : 1,000,000 Date : 2012-05-16

13, 589, 913, 2893, 47209

History

• 2012-05-16: Checked to n = 1000000, Oscar Tutusaus Santandreu, released
• 2007-05-14: Checked to n = 577000, Karsten Bonath
• 2007-03-13: Checked to n = 550000, Karsten Bonath
• 2007: Checked to n = 506000, Jocelyn Larouche
• 1999-07-13: Found n = 47209, Pavlos Saridis