Calculating The Greatest Common Factor (Gcf)

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest positive integer that divides all the numbers in a given set without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number, then identify the largest factor that appears in both lists.

Front

GCF of 32 and 40?

Back

8

Front

GCF of 18 and 24?

Back

6

Front

GCF of 72 and 88?

Back

8

Front

GCF of 8 and 10?

Back

2

Front

GCF of 12 and 48?

Back

12

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 by multiplying the lowest powers of all prime factors common to the numbers.

Front

What is the GCF of 15 and 25?

Back

5