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Riesel primes of the form 249•2^{n}1
Reserved! This sequence is currently part of Multi Reservation 7: NPLB K300 Drive 1. 
Current data


Notes
 ↑ S.G. n=8
 ↑ Woodall 249•2^{249}1
History
 20240423: 2001627 confirmed, Gary Barnes, NPLB K300 Drive 1
 20240423: Reserved by NPLB K300 Drive 1 for n > 2000000
 20210321: Checked n = 1  1000000, Gary Barnes, double check, results included
 20200313: Checked to n = 2000000, Michael Curtis, released
 20150219: Found n = 2001627, Michael Curtis
 20150218: Reserved by Michael Curtis from n=2000000
 20130330: Checked to n = 2000000, David Metcalfe, released
 20130202: Reserved by David Metcalfe from n=1300000
 20120514: Checked to n = 1300000, James P. Burt, released
 20111231: Checked to n = 1100000, James P. Burt
 20111210: Reserved by James P. Burt from n=1000000
 20090730: Reserved by Borys Jaworski for sieving only n=10000005000000
 20080704: Checked to n = 1000000, RPS Drive 5, released
 20061112: Reserved by RPS Drive 5, for n > 260000
 20051126: Found n = 251036, Jun Tajima
 20041105: Checked n = 200000  230000, Steven Harvey, released