GCF

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF of two numbers, list the factors of each number and identify the largest factor that they have in common.

Front

What is the GCF of 20 and 70?

Back

10

Front

What is the GCF of 28 and 49?

Back

7

Front

What is the GCF of 64 and 144?

Back

16

Front

What is the GCF of 24 and 56?

Back

8

Front

What is the GCF of 18 and 24?

Back

6

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

What is the relationship between GCF and prime factorization?

Back

The GCF can be found using prime factorization by identifying the common prime factors and multiplying them together.

Front

Can the GCF of two numbers be greater than either of the numbers?

Back

No, the GCF of two numbers cannot be greater than the smallest of the two numbers.