Thread: Riesel primes
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Old 2009-07-19, 19:14   #10
R.D. Silverman
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Nov 2003

22·5·373 Posts

Originally Posted by Primeinator View Post
How would 2^n < k in of itself make a number riesel? I thought that any number of the form k*2^n -1 is a riesel number.
Every single integer is of the form k*2^n - 1.
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