SOLUTION: What is the last digit of 2^2008 ?

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Question 249143: What is the last digit of 2^2008 ?
Answer by College Student(505) About Me  (Show Source):
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2%5E2008 = %282%5E8%29%5E251 = 256%5E251

Any number ending in 6, when raised to a power, will end in 6.

Therefore, the last digit is 6.


Source:
http://www.mathhelpforum.com/math-help/number-theory/23520-what-last-digit-2-1000-a.html