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Closed form solution of x^2 = 2 mod Fermat number
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2005-09-29, 07:46
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mpenguin
Aug 2005
3·5 Posts
Quote:
Originally Posted by
Yamato
Let F(n) = 2^(2^n) + 1.
Then the "trivial" square root of 2 is
Yes, the square root of 2 is trivial mod Fn.
(2+2^(1/2))^2 and (2+(2+2^(1/2))^(1/2))^(1/2) mod Fn are a little more subtle.
mpenguin
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