2018 AMC 8 Problems/Problem 18: Difference between revisions
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==Problem 18== | ==Problem 18== | ||
How many positive factors does <math> | How many positive factors does <math>600</math> have? | ||
<math>\textbf{(A) }9\qquad\textbf{(B) }12\qquad\textbf{(C) }28\qquad\textbf{(D) }36\qquad\textbf{(E) }42</math> | <math>\textbf{(A) }9\qquad\textbf{(B) }12\qquad\textbf{(C) }28\qquad\textbf{(D) }36\qquad\textbf{(E) }42</math> | ||
Revision as of 15:44, 22 November 2018
Problem 18
How many positive factors does 
have?
Solution
We can first find the prime factorization of 
, which is 
. Now, we just add one to our powers and multiply. Therefore, the answer is 
-shreyasb
See Also
| 2018 AMC 8 (Problems • Answer Key • Resources) | ||
| Preceded by Problem 17 |
Followed by Problem 19 | |
| 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 | ||
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