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To find the greatest common factor for any group of numbers you must make a list of all the factors for each number.
The factors of 18 are: 1, 2, 3, 6, 9, 18
The factors of 9 are: 1, 3, 9
Therefore, the greatest common factor of 18 and 9 is 9.
Wiki User
∙ 12y ago
Wiki User
∙ 7y ago9 is a factor of 18. 9 is the largest factor of 9 and thus the largest possible common factor of 9 and 18. So, the greatest common factor of 9 and 18 is 9.
The GCF is 9.
Wiki User
∙ 11y agoSince 9 is a factor of 18, it is automatically the GCF of this problem.
Arianna Washington-P...
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What is the greatest common factor of 18 and 90?
Since 18 is a factor of 90 and it is the largest factor of itself, the greatest common factor of 18 and 90 is 18.Since 18 is a factor of 90, it is automatically the GCF.
What is the greatest common factor of 18 45 and 54?
9 is the greatest common factor of 18, 45 and 54.
What is the common factor of 18 and 45?
The greatest common factor of 18 and 45 is 9.
What is the greatest common factor of 18 36 and 45?
The Greatest Common Factor of 18, 36, and 45 is 9
What is the greatest common factor of 9 18 and 72?
The GCF is 9.
What is the greatest common factor of 9 18 and 21?
The Greatest Common Factor of 9, 18, 21: 3
What is the greatest common factor of 15 9 18?
What is the greatest common factor of 9, 18, and 15.The answer is....3
What is the greatest common factor for 18-and-9?
9
What is the greatest common factor of 18 and 90?
Since 18 is a factor of 90 and it is the largest factor of itself, the greatest common factor of 18 and 90 is 18.Since 18 is a factor of 90, it is automatically the GCF.
What is the greatest common factor of 18 45 and 54?
9 is the greatest common factor of 18, 45 and 54.
Is the greatest common factor of 9 and 18?
Since 9 is a factor of 18, it is automatically the GCF.
What is 9 and 18 greatest common factor?
Since 9 is a factor of 18, it is automatically the GCF.
What is the common factor of 18 and 45?
The greatest common factor of 18 and 45 is 9.
Is 9 the greatest common factor of 18 and 36?
No, 18 is.
What is the greatest common factor for 18 and 9?
The GCF of 18 and 9 is 9.Since 9 is a factor of 18, it is automatically the GCF.
What is the greatest common factors for 108 and 90?
The greatest common factor is 18
What is the GCF of 18 45 and 144?
The greatest common factor (GCF) of 18, 45, and 144 is 9.
