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Riesel primes of the form 313•2^{n}1
Reserved! This sequence is currently part of Multi Reservation 26: NPLB Drive 19. 
Current data


History
 20230307: Reserved by NPLB Drive 19, for 3000000<n<4000000
 20220603: Checked to n = 3000000, NPLB Drive 15, released
 20211202: Found n = 2817751, Tore Zachariassen
 20141229: Reserved by NPLB Drive 15, for n=20000003000000
 20130404: Checked to n = 2000000, Lennart Vogel, released
 20130402: Found n = 1703119, Lennart Vogel
 20130401: Reserved by Lennart Vogel, for 1500000<n<2000000
 20130401: Found n = 1456431, Lennart Vogel
 20130331: Reserved by Lennart Vogel for 1300000<n<1500000
 20121010: Checked to n = 1300000, Gary Barnes, released
 20120925: Reserved by Gary Barnes, for 1200000<n<1300000
 20110626: Checked to n = 1202547, Johnathan Chu, released
 20110417: Checked to n = 1160000, Johnathan Chu
 20110319: Found n = 1137387, Johnathan Chu
 20110311: Checked to n = 1120000, Johnathan Chu
 20110209: Checked to n = 1090000, Johnathan Chu
 20110111: Checked to n = 1060000, Johnathan Chu
 20101207: Reserved by Johnathan Chu, to n=1100000
 20101127: Reserved by Johnathan Chu, for 1000000<n<1020000
 20090827: Checked to n = 1000000, Michael Kwok, released, results included
 20090725: Checked to n = 995000, Michael Kwok, results included
 20090606: Checked to n = 950000, Michael Kwok, results included
 20090512: Checked to n = 930000, Michael Kwok
 20090412: Checked to n = 900000, Michael Kwok, results included
 20090219: Checked to n = 836000, Michael Kwok, results included
 20090116: Checked to n = 780000, Michael Kwok, results included
 20081214: Checked to n = 710000, Michael Kwok, results included
 20081110: Checked to n = 600000, NPLB Drive 3, released
 20081101: Checked to n = 650000, Michael Kwok, results included
 20080910: Reserved by Michael Kwok, for 600000<n<1000000
 20080603: 508091 confirmed, Glenn C. Kaiser
 20080301: Reserved by NPLB Drive 3, for 260000<n<600000
 20070823: Found n = 508091, Peter Benson
 20030603: Found n = 123731, Steven Harvey
 20010709: Found n = 84179, Sander Hoogendoorn
 20010220: Found n = 67767, Steven Harvey
 20010220: Found n = 67363, Steven Harvey
 20010220: Found n = 62203, Steven Harvey