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Question
Given that p is a prime number. p2[p271p] is always divisible by?
Options:
A .  25
B .  23
C .  27
D .  none of these
Answer: Option D
:
D
According to fermat's theorem " If P is a prime number and N is prime to P, then NpN is divisible by P."
Open the brackets, p2[p271p]=p29p will always be divisible by 29, as it is prime.

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