document.write( "Question 756364: A^x + B^y = C^z, prove that when A, B and C are positive integers, and x, y and z are positive integers greater than 2 – A, B and C must have a common factor. \n" ); document.write( "
Algebra.Com's Answer #460182 by Alan3354(69443)\"\" \"About 
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A^x + B^y = C^z, prove that when A, B and C are positive integers, and x, y and z are positive integers greater than 2 – A, B and C must have a common factor.
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\n" ); document.write( "Look up Fermat's Last Theorem.
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