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which of 2,3,5,7,11,13,109,151,491 divides z =1963^{1965} -1963

Source: Germany 1965 p2

February 21, 2020
number theorydivides

Problem Statement

Determine which of the prime numbers 2,3,5,7,11,13,109,151,4912,3,5,7,11,13,109,151,491 divide z=19631965āˆ’1963z =1963^{1965} -1963.
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