Find the remainder when `3^(19)` is divided by 19.A. 3B. 15C. 16D. 19 – InterviewSolution

1.	Find the remainder when `3^(19)` is divided by 19.A. 3B. 15C. 16D. 19
Answer» Correct Answer - A We have `a^(p) -= a` (mod p), where p is a prime number. When `3^(19)` is divided by 19, the remainder is 3.

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