GCF

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor.

Front

How do you find the GCF of two numbers?

Back

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

Front

What is the GCF of 20 and 70?

Back

10

Front

What is the GCF of 20 and 30?

Back

10

Front

What is the GCF of 4 and 12?

Back

4

Front

What is the GCF of 15 and 35?

Back

5

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Front

What is the relationship between GCF and prime factorization?

Back

The GCF can be found by multiplying the lowest powers of all prime factors common to both numbers.

Front

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

Back

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

Front

What is the GCF of 12 and 18?

Back

6