Greatest Common Factor

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you find the factors of a number?

Back

To find the factors of a number, list all whole numbers that can be multiplied together to produce that number.

Front

What are the factors of 24?

Back

1, 2, 3, 4, 6, 8, 12, 24

Front

What are the factors of 25?

Back

1, 5, 25

Front

What is the GCF of 18 and 24?

Back

6

Front

What is the GCF of 24 and 30?

Back

6

Front

What is the GCF of 8 and 10?

Back

2

Front

Why is finding the GCF important?

Back

Finding the GCF is important for simplifying fractions and solving problems involving ratios.

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

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two factors.