SOLUTION: What is the Greatest Common factor of 18,90 and 30

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Question 921610: What is the Greatest Common factor of 18,90 and 30
Answer by MathLover1(20850) About Me  (Show Source):
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18+=+highlight%282%29%2Ahighlight%283%29%2A3 (3 prime factors, 2 distinct)
90+=+highlight%282%29%2Ahighlight%283%29%2A3%2A5 (4 prime factors, 3 distinct)
30+=+highlight%282%29%2Ahighlight%283%29%2A5 (3 distinct prime factors)
gcd%2818%2C+90%2C+30%29=2%2A3=highlight%286%29