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Earn +20 ptsQ: What is the common factor of 20 and 18?
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What is the least common factor of 18 and 20?
The least common factor of any set of positive integers is 1.
What is the greatest common factor and the least common multiple of 18 and 20?
The greatest common factor is 2 and the least common multiple is also 2.
What is the common factor of 18 36 72?
The greatest common factor is 18.
How do you simplify fractions such as 18 over 20?
If you can find any common factor of the numerator and denominator, divide each of them by it. If you're given 18/20, you stare at it for a while, and you notice that 18 and 20 have the common factor of 2. So you divide top and bottom by 2, and you get 9/10. That's the simplest form.
What is the greatest common factor of 18 19 and 20?
It is 1 because 19 is a prime number
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