If you divide 7^93 by 5, which remainder do you get?	Choose the most appropriate option.
A) 0	B) 1	C) 2	D) 3	E) 4
The units digit of 7^1 is 7.   The units digit of 7^2 is 9.   The units digit of 7^3 is 3.   The units digit of 7^4 is 1.   The units digit of 7^5 is 7.   etc...   The units digit of 7^n repeats in blocks of 4: {7, 9, 3, 1}   The remainder of 93/4 is 1.   So the units digit of 7^93 is 7.   The remainder of 7^93 / 5 is 2.   The answer is 2.
<result>C</result>
If you divide 7^93 by 5, which remainder do you get?