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Can you find out the remainder when 3^300 is divided by 5?

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Can you find out the remainder when 3^300 is divided by 5?
posted Sep 9, 2014 by Pankaj Deshmukh

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1 Answer

+1 vote

3^4 mod 5 = 81 mod 5 = 1
3^300 mod 5 = (3^4)^75 mod 5 = (3^4 mod 5)^75 mod 5 = 1

answer Sep 9, 2014 by Salil Agrawal
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