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Riesel primes of the form 883•2ⁿ-1

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Reserved! This sequence is currently part of Multi Reservation 3: NPLB Drive 18.

Current data

`k` , `b` :	883 , 2
Type :	Low
Count :	16
Nash :	705
Max `n` :	2,200,000
Date :	2024-07-30
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

7, 19, 35, 107, 131, 2039, 2611, 14131^[1], 16831, 38611, 42919, 49427, 72151, 115531, 501779, 894155

Notes

↑ Near Woodall 14128•2¹⁴¹²⁷-1, Woodall 7064•4⁷⁰⁶⁴-1

History

2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
2011-04-10: Found n = 894155, Rick Reynolds
2008-12-22: Checked to n = 600000, NPLB Drive 1, released
2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
2008-07-13: 501779 confirmed, Gary Barnes
2008-03-25: Checked to n = 333200, NPLB Drive 2, released
2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
2007-04-22: Found n = 501779, Dale Andrews
2003-05-09: Found n = 115531, Steven Harvey
1998-07-03: Found n = 14131, Henri Lifchitz

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