What is the greatest common factor of 12 18 and 21?

Answer 1

3 is the GCF of 12, 18, and 21.

3x4=12

3x6=18

3x7=21

3 is the GCF of 12, 18, and 21.

Answer 2

Well, honey, the greatest common factor of 12, 18, and 21 is 3. It's like finding the perfect little black dress that fits all three of them - simple, elegant, and always in style. So, grab your calculator and show those numbers who's boss!

Answer 3

The greatest common factor (GCF) of 12, 18, and 21 is the largest number that divides all three numbers without leaving a remainder. To find the GCF, you can first list the factors of each number: 12 (1, 2, 3, 4, 6, 12), 18 (1, 2, 3, 6, 9, 18), and 21 (1, 3, 7, 21). The GCF of 12, 18, and 21 is 3, as it is the largest number that is a factor of all three numbers.

Answer 4

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