quasi
Posts:
9,078
Registered:
7/15/05
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Re: From Fermat little theorem to Fermat Last Theorem
Posted:
Nov 27, 2012 2:28 PM
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John Jens wrote:
>http://primemath.wordpress.com/
Copying part of the text from the link above (enough to
expose the error in Jens' reasoning) ...
>Fermat?s little theorem states that if p is a prime number,
>then for any integer a, the number a^p is an integer multiple
>of p.
>
> a^p = a(mod p)
Yes, but note that a^p = a (mod p) does not imply 0 <= a < p.
>Assume that a,b,c naturals and p prime and
>
> 0 < a <= b < c < p
>
> ...
>
>So we can?t find naturals 0 < a <= b < c < p with p prime to
>satisfy a^p + b^p = c^p.
Sure, but that doesn't even come close to proving Fermat's
Last Theorem. All you've proved is the trivial result that if
a,b,c are positive integers with p prime such that
a^p + b^p = c^p then c >= p.
quasi
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