3 is the GCF of 12, 18, and 21.
3x4=12
3x6=18
3x7=21
3 is the GCF of 12, 18, and 21.
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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!
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.
GCF of 12 and 18 is 6
The GCF of 12, 18, and 54 is 6
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.
The GCF is 6.
The greatest common factor of 12, 18, and 42 is 6The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.