Difference between revisions of "2007 AMC 8 Problems/Problem 3"
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<math>\mathrm{(A)}\ 2 \qquad\mathrm{(B)}\ 5 \qquad\mathrm{(C)}\ 7 \qquad\mathrm{(D)}\ 10 \qquad\mathrm{(E)}\ 12</math> | <math>\mathrm{(A)}\ 2 \qquad\mathrm{(B)}\ 5 \qquad\mathrm{(C)}\ 7 \qquad\mathrm{(D)}\ 10 \qquad\mathrm{(E)}\ 12</math> | ||
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== Solution == | == Solution == | ||
Revision as of 14:52, 15 February 2010
Problem
What is the sum of the two smallest prime factors of 
?
Solution
We prime factor 250.
We get 
The two smallest are 
and 
.
So, 
The answer is 
