What is the remainder when 54617^(42788234) is divided by 5? Options.
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 42788234 has the form 4a + 2, the units digit is 9.   Then the remainder when dividing by 5 is 4.   The answer is 4.
<result>E</result>
What is the remainder when 54617^(42788234) is divided by 5?