Generalized Cullen primes of the form n•100n+1

Current data

ASCII format : n*100^n+1 Base : 100 Count : 7 Max n : 200,000 Date : 2024-10-25

1, 427, 2475, 21369, 72048, 98035, 316903

History

• 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2023-07-14: Checked n = 100000 - 200000, Mark Rodenkirch, double-check n = 100000 - 165295, released
• 2023-06-03: Reserved by Mark Rodenkirch to n = 200000
• 2023-05-14: Checked n = 1 - 100000, Mark Rodenkirch, double-check, released
• 2023-04-18: Reserved by Mark Rodenkirch to n = 100000, double-check
• 2014-07-13: Found n = 316903, Serge Batalov
• 2012: Checked n = 1 - 165295, Günter Löh
• 2007-02-28: Found n = 98035, Günter Löh
• 2005-05-30: Found n = 72048, Günter Löh
• 2002-02-03: Found n = 21369, Günter Löh
• 2000-02-07: Found n = 2475, Ray Ballinger