Q: What is the GCF of number 18?

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You need at least two numbers to find a GCF. The GCF of 18 and 24 is 6.

The number 9 would be the GCF, or greatest common factor, of 18 and 63.

The GCF of a prime number and a composite number is 1 if the former is not a factor of the latter. 73 is a prime number and 18 is a composite number and 73 is not a factor of 18 because 18 is not divisible by 73. So, GCF(73, 18) = 1.

No, since GCF stands for greatest common factor, and there is no number over 18 that when divided to 18 and 36 will the answer be a whole number.

Because 61 is a prime number, the GCF is 1.

9 and 6 have an LCM of 18 and a GCF of 3.

GCF(18, 36) = 18

The GCF is 18.

The GCF is 18.

18 is a factor of 36. It's impossible to have a GCF larger than the smaller number, so 18 must be the GCF.

The gcf of 18 and 24 is 6 which is a composite number because it has more than two factors.

The GCF is 18.

The smaller number. The GCF of 9 and 18 is 9.

Since the number 7 is prime, and is not a factor of 18, the greatest common factor (GCF) of these three numbers is 1.

The GCF is 18.

The GCF of 18 and 36 is 18.

The GCF is 18.

The GCF is 6.

The GCF is 6.

The GCF is 6.

gcf of 144 and 54 is 18.

The GCF is 18.

The GCF is 18.

The GCF is 18.

The GCF is 18.

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