The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.
The factors of 18 are 1, 2, 3, 6, 9, and 18.
The factors that are on both lists ... the "common" factors ... are 1, 2, 3, and 6 .
The greatest one of those is 6 .
Why do I have this nagging feeling that you're not completely sure of
what "GCF" stands for, or how to go about finding it ?
The GCF is 6.
The GCF is 6.
6 is the GCF of 30 and 18.
The GCF is 6.
The GCF is 6.
The GCF is 6.
The greatest common factor of 18, 30, and 42 is 2.
The GCF is 6.
The greatest common factor of 18, 30 and 36 is 6
Oh, isn't that just a happy little math problem we have here? The greatest common factor of 18 and 30 is 6. You see, we can find this by looking at the factors of each number and seeing which is the largest one they have in common. Just like painting a beautiful landscape, finding the greatest common factor can be a peaceful and rewarding process.
GCF(30, 18) = 6.
Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30Factors of 18: 1, 2, 3, 6, 9, 18GCF (30, 18) = 6