What is the remainder when 43717^(43628233) is divided by 5?  Choose the correct choice from the following answers:
A) 0 B) 1 C) 2 D) 3 E) 4
We need to find the units digit of the number.   The units digit of powers of seven repeats 7, 9, 3, and 1 cyclically.   Since 43628233 has the form 4a + 1, the units digit is 7.   Then the remainder when dividing by 5 is 2.   The answer is 2.
<result>C</result>
What is the remainder when 43717^(43628233) is divided by 5?