Difference between revisions of "2007 AMC 8 Problems/Problem 3"

Latest revision as of 16:30, 28 October 2024

What is the sum of the two smallest prime factors of $250$ ?

$\mathrm{(A)}\ 2 \qquad\mathrm{(B)}\ 5 \qquad\mathrm{(C)}\ 7 \qquad\mathrm{(D)}\ 10 \qquad\mathrm{(E)}\ 12$

The prime factorization of $250$ is $2 \cdot 5^3$ . The smallest two are $2$ and $5$ . $2+5 = \boxed{\text{(C) }7}$ .

2007 AMC 8 (Problems • Answer Key • Resources)
Preceded by Problem 2	Followed by Problem 4
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All AJHSME/AMC 8 Problems and Solutions

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 ==Video Solution by SpreadTheMathLove==
 https://www.youtube.com/watch?v=omFpSGMWhFc
+==Video Solution by WhyMath==
+https://youtu.be/_8lDRd1FEd4
 ==See Also==
 {{AMC8 box|year=2007|num-b=2|num-a=4}}
 {{MAA Notice}}