Generalized Woodall primes of the form n•87n-1

Current data

ASCII format : n*87^n-1 Base : 87 Count : 6 Max n : 350,000 Date : 2024-10-25

2, 30, 42, 240, 5826, 148306

History

• 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2023-07-23: Checked n = 4000 - 26000?, (puadz), double-check
• 2023-07-03: Reserved by (puadz), double-check
• 2019-03-20: Checked n = 177000 - 350000, Steven Harvey
• 2018-12-11: Reserved by Steven Harvey to n = 350000
• 2014-03-13: Checked to n = 25000, Steven Harvey, double-check
• 2012-10-10: Checked to n = 25000, Thomas Ritschel
• 2012?: Checked n = 150000 - 177000, James P. Burt
• 2012-01-12: Checked n = 26000 - 150000, James P. Burt
• 2012-01-11: Found n = 148306, James P. Burt
• 2010-11-01: Checked n = 86 - 4000, Steven Harvey, double-check
• 2005-01-03: Checked n = 5000 - 10000, Mark Rodenkirch
• 2004-12-21: Reserved by Mark Rodenkirch to n = 10000
• 2004-12-21: Checked n = 86 - 5000, Mark Rodenkirch
• 2004-12-15: Reserved by Mark Rodenkirch to n = 6000
• 2004-12-03: Reserved by Mark Rodenkirch to n = 5000
• 2004-06-21: Checked to n = 26000, Steven Harvey
• 2000-04-03: Found n = 5826, Jason Alexander Zaruba