Riesel primes of the form 77•2n-1

Reserved! This sequence is currently part of Multi Reservation 7: NPLB K300 Drive 1.

Current data

k , b : 77 , 2 Count : 37 Nash : 1700 Max n : 2,800,000 Date : 2024-11-13 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

2, 4, 14, 26, 58, 60, 64, 100, 122, 212, 566, 638, 1214, 2080, 4852, 5356, 5720, 7044, 8320, 8556, 10684, 14584, 39016, 47972, 72008, 217956, 223512, 387680, 441528, 607920, 855770, 1365452, 1390004, 1467554, 2002742, 2363352, 2387116

History

• 2024-06-03: Found n = 2387116, Gary Barnes, NPLB K300 Drive 1
• 2024-05-29: Found n = 2363352, Gary Barnes, NPLB K300 Drive 1
• 2024-04-26: Reserved by NPLB K300 Drive 1 for n > 2100000
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2014-10-05: Checked to n = 2180000, Predrag Minovic
• 2013-09-08: Checked to n = 2005000, Predrag Minovic
• 2013-09-03: Found n = 2002742, Predrag Minovic
• 2013-07-09: Checked to n = 1940000, Predrag Minovic
• 2013-01-04: Checked to n = 1600000, Predrag Minovic
• 2012-07-02: Checked to n = 1530000, Predrag Minovic
• 2011-12-31: Checked to n = 1500000, Predrag Minovic
• 2011-08-22: Found n = 1390004, Predrag Minovic
• 2011-08-10: Found n = 1365452, Predrag Minovic
• 2011-04-12: Checked to n = 1360000, Predrag Minovic
• 2006-10-13: Checked to n = 1267000, Predrag Minovic
• 2006-02-09: Found n = 1467554, Predrag Minovic
• 2005-06-15: Checked to n = 857000, Predrag Minovic
• 2005-06-14: Found n = 855770, Predrag Minovic
• 2005-03-22: Checked to n = 700000, Predrag Minovic
• 2004-12-30: Checked to n = 575000, Predrag Minovic
• 2004-12-26: Found n = 607920, Predrag Minovic
• 2004-12-04: Checked to n = 520000, Predrag Minovic
• 2004-11-04: Checked to n = 480000, Predrag Minovic
• 2004-10-25: Checked to n = 450000, Predrag Minovic
• 2004-10-24: Found n = 441528, Predrag Minovic
• 2004-10-11: Checked to n = 388000, Predrag Minovic
• 2004-10-08: Found n = 387680, Predrag Minovic
• 2004-08-15: Checked to n = 310000, Predrag Minovic
• 2004-08-03: Checked to n = 290000, Predrag Minovic
• 2004-06-15: Checked to n = 250000, Predrag Minovic
• 2004-06-11: Found n = 223512, Predrag Minovic
• 2004-06-11: Found n = 217956, Predrag Minovic
• 2004-06-04: Reserved by Predrag Minovic
• 1994: Found n = 7044, Harvey Dubner