Difference between revisions of "2010 AMC 8 Problems/Problem 14"
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<math> \textbf{(A)}\ 67\qquad\textbf{(B)}\ 75\qquad\textbf{(C)}\ 77\qquad\textbf{(D)}\ 201\qquad\textbf{(E)}\ 210 </math> | <math> \textbf{(A)}\ 67\qquad\textbf{(B)}\ 75\qquad\textbf{(C)}\ 77\qquad\textbf{(D)}\ 201\qquad\textbf{(E)}\ 210 </math> | ||
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| + | ==Video Solution== | ||
| + | https://youtu.be/6xNkyDgIhEE?t=1236 | ||
==Solution== | ==Solution== | ||
Revision as of 22:31, 12 August 2020
Contents
Problem
What is the sum of the prime factors of 
?
Video Solution
https://youtu.be/6xNkyDgIhEE?t=1236
Solution
First, we must find the prime factorization of . 
. We add the factors up to get 
See Also
| 2010 AMC 8 (Problems • Answer Key • Resources) | ||
| Preceded by Problem 13 |
Followed by Problem 15 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| All AJHSME/AMC 8 Problems and Solutions | ||
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
