Examples of Math Problems
examples of math problems that I like, solved, etc.
Tuesday, December 24, 2013
find the smallest square number that is divisible by 6, 18 and 21?
6=2*3
18=2*3^2
21=3*7
To be a square we need all prime factors squared (at least once in general):
n=((2)(3)(7))^2=1764
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