GCF

Front

What is the GCF (Greatest Common Factor)?

Back

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

Front

How do you find the GCF of two numbers?

Back

You can find the GCF by listing the factors of each number and identifying the largest factor they have in common.

Front

What is a factor?

Back

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

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

Identify the GCF of 8 and 12.

Back

The GCF of 8 and 12 is 4.

Front

Identify the GCF of 15 and 25.

Back

The GCF of 15 and 25 is 5.

Front

What is the GCF of 30, 45, and 75?

Back

The GCF of 30, 45, and 75 is 15.

Front

Which pair of numbers has a GCF of 1? (Example: 8 and 15)

Back

8 and 15 have a GCF of 1 because they have no common factors other than 1.

Front

What is the GCF of 24 and 36?

Back

The GCF of 24 and 36 is 12.

Front

How does the GCF relate to fractions?

Back

The GCF can be used to simplify fractions by dividing the numerator and denominator by their GCF.