Find-all-the-values-of-n-such-that-5-n-1-is-divisble-by-7-

Question Number 125471 by ZiYangLee last updated on 11/Dec/20

Find all the values of n such that

5^{n} + 1 is divisble by 7 .

Answered by MJS_new last updated on 11/Dec/20

try for the first few n \Rightarrow n = 3 + 6 n

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