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Riesel primes of the form 233•2^{n}1
Current data


History
 20211120: Checked to n = 3000000, Thomas Ritschel, released
 20211120: Found n = 2846392, Thomas Ritschel
 20210321: Checked n = 11000000, Gary Barnes, double check, results included
 20200713: Found n = 2426512, Thomas Ritschel
 20150421: Checked to n = 2000000, Thomas Ritschel
 20150404: Reserved by Thomas Ritschel for 1710000 < n < 2000000
 20100801: Checked to n = 1710000, Borys Jaworski, released
 20100722: Found n = 1700734, Borys Jaworski
 20100630: Checked to n = 1670000, Borys Jaworski
 20100531: Checked to n = 1640000, Borys Jaworski
 20100430: Checked to n = 1610000, Borys Jaworski
 20100331: Checked to n = 1580000, Borys Jaworski
 20100228: Checked to n = 1540000, Borys Jaworski
 20100131: Checked to n = 1500000, Borys Jaworski
 20091231: Checked to n = 1450000, Borys Jaworski
 20091201: Checked to n = 1420000, Borys Jaworski
 20091031: Checked to n = 1380000, Borys Jaworski
 20090930: Checked to n = 1330000, Borys Jaworski
 20090831: Checked to n = 1300000, Borys Jaworski
 20090731: Checked to n = 1280000, Borys Jaworski
 20090630: Checked to n = 1250000, Borys Jaworski
 20090531: Checked to n = 1230000, Borys Jaworski
 20090430: Checked to n = 1210000, Borys Jaworski
 20090327: Checked to n = 1190000, Borys Jaworski
 20090226: Checked to n = 1170000, Borys Jaworski
 20090129: Checked to n = 1140000, Borys Jaworski
 20090109: Checked to n = 1130000, Borys Jaworski
 20080706: Checked to n = 920000, Borys Jaworski
 20080301: Checked to n = 740000, Borys Jaworski
 20080209: Checked to n = 700000, Borys Jaworski
 20080203: Checked to n = 690000, Borys Jaworski
 20080112: Checked to n = 650000, Borys Jaworski
 20080106: Checked to n = 640000, Borys Jaworski
 20071001: Reserved by Borys Jaworski
 20060813: Checked to n = 600000, RPS Drive 2, released
 20060317: Reserved by RPS Drive 2, for n = 210000  600000
 20050112: Checked to n = 210000, Steven Harvey, released
 20050110: Reserved by Steven Harvey from n=200000
 20040718: Found n = 179992, Marc Liddell