Prime Factorization and GCF Concepts

What is the first step when finding the Greatest Common Factor using prime factorization?

• Multiply the common prime factors.

• Find the common prime factors.

• List all factors of the numbers.

• Perform prime factorization.

What is the Greatest Common Factor (GCF)?

• The smallest number that is a factor of two or more numbers.

• The largest number that is a factor of two or more numbers.

• A number that can only be divided by 1 and itself.

• The product of all prime numbers.

What are the prime factors of 63?

• 3, 7

• 3, 3, 7

• 7, 9

• 3, 3, 3, 7

What is the Greatest Common Factor of 63 and 84?

• 3

• 7

• 21

• 63

What is the Greatest Common Factor of 48 and 72?

• 12

• 16

• 24

• 36

What is the first step to find the Greatest Common Factor using prime factorization?

• Multiply the common prime factors.

• Find the common prime factors.

• Perform prime factorization of each number.

• Divide the numbers by their smallest factors.

What are the prime factors of 48?

• 2, 2, 2, 2, 3

• 2, 3, 4, 6

• 2, 2, 3, 4

• 2, 2, 2, 6

What are the prime factors of 72?

• 2, 2, 3, 6

• 2, 2, 2, 3, 3

• 2, 3, 4, 9

• 2, 2, 2, 9

What are the common prime factors of 48 and 72?

• 2, 2, 3

• 2, 2, 2, 3

• 2, 3, 3

• 2, 2, 2

What is the Greatest Common Factor (GCF) of 48 and 72?

• 12

• 16

• 24

• 36