Generalized Woodall primes of the form n•11n-1

Current data

ASCII format : n*11^n-1 Base : 11 Count : 6 Max n : 500,000 Date : 2024-11-14

2, 8, 252, 1184, 1308, 1182072

Remarks :

The sequence A299374 in OEIS

History

• 2024-11-14: Reservation dropped, Oliver Kruse
• 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2023-05-12: none, Oliver Kruse still sieving
• 2023-04-10: Found n = 1182072, Ryan Propper
• 2023-04-01: Reservation dropped, Ryan Propper
• 2023-04-01: Reserved by Ryan Propper to n = 1000000
• 2023-03-28: none, Oliver Kruse still sieving n = 500000 - 2500000
• 2023-03-15: Reserved by Oliver Kruse sieving from n = 500000
• 2023-03-15: Checked n = 500 - 100000, Oliver Kruse
• 2014-02-27: Reserved by Ricky L. Hubbard from n = 500000
• 2014-03-13: Checked to n = 25000, Steven Harvey, double-check
• 2012-10-10: Checked to n = 25000, Thomas Ritschel
• 2012-03-22: Checked n = 400000 - 500000, Predrag Minovic, Thomas Ritschel
• 2012-01-11: Checked n = 250000 - 400000, Predrag Minovic, Thomas Ritschel
• 2011-10-27: Reserved by Thomas Ritschel for n = 250000 - 500000
• 2011-02-25: Checked n = 200000 - 250000, Steven Harvey
• 2011-02-11: Reserved by Steven Harvey for n = 200000 - 250000
• 2010-11-01: Checked n = 10 - 4000, Steven Harvey, double-check
• 2009-09-27: Checked n = 100000 - 200000, Steven Harvey
• 2009-08-10: Reserved by Steven Harvey for n = 100000 - 200000
• 2008-04-24: Checked n = 60000 - 100000, Steven Harvey
• 2005-01-03: Checked n = 5000 - 10000, Mark Rodenkirch
• 2004-12-21: Reserved by Mark Rodenkirch to n = 10000
• 2004-12-21: Checked n = 10 - 5000, Mark Rodenkirch
• 2004-12-15: Reserved by Mark Rodenkirch to n = 6000
• 2004-12-03: Reserved by Mark Rodenkirch to n = 5000
• 2004-11-04: Checked n = 50000 - 60000, Steven Harvey
• 2004-10-12: Reserved by Steven Harvey for n = 50000 - 60000