SOLUTION: If (5^4 –1 )/n is an integer and n is an integer, then n could be each of the following EXCEPT A 6 b 13 c 25 d 26

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Question 274825: If (5^4 –1 )/n is an integer and n is an integer, then n could be each of the following EXCEPT
A 6 b 13 c 25 d 26

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If (5^4 –1 )/n is an integer and n is an integer, then n could be each of the following EXCEPT
A 6 b 13 c 25 d 26
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5^4 - 1 = 624
Factor 624
624 = 2x2x2x2x3x13
There are no 5's, so 25 is out.