Question

What is the greatest common factor? How do you know when you have found the greatest one?

Answer 1

The Greatest Common Factor is the number that is the largest that goes into all the numbers that are listed.

Answer 2

For instance if I said find the GCF of: 18, 36, 24

Answer 3

@kevingretzky well we know that 2 goes into all three numbers, right?

Answer 4

However, that is not the largest number that goes into all three.

Answer 5

What about 3? Yes, 3 goes into all three numbers but there is a greater number.

Answer 6

How about 6? Well, 6 seems like the greatest common factor because if you go above 6 what number will go into all three of those numbers?

Answer 7

So, basically, you need to just think logically.

Answer 8

Also you must know your multiplication.

Answer 9

Does that help any @kevingretzky

Answer 10

yes thank you