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Riesel primes of the form 209•2n-1

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Current data

k , b : 209 , 2
Type : Low
Count : 18
Nash : 998
Max n : 2,000,000
Date : 2013-01-12
4, 8, 16, 28, 40, 52, 80, 148, 328, 8464, 11704, 52372, 60172, 675232, 692692, 921484, 1207276, 1647640

History