1 GCF, LCM, Prime factorization

What does GCF stand for?

• Good Cats Fly

• Greatest Common Factor

• Go Catch Frogs

• Greatest Cooling Fans

Find the GCF of 5 and 35

• 7

• 5

• 2

• 35

What does LCM stand for?

• Let's Count Monkeys

• Less Counting Man

• Lower Candy Maker

• Least Common Multiple

What is the LCM of 6 and 9

• 6

• 9

• 18

• 54

Find the prime number.

• 10
• 9
• 7
• 4

Tags

CCSS.4.OA.B.4

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

Tags

CCSS.4.OA.B.4

Use a number tree to find the prime factorization of 12

• 3x4

• 1x12

• 2x2x3

• 12x4

A prime number is...

• a number that has only one factor.

• a number that has at least two factors.

• a number that has more than two factors.

• a number that has only two factors; 1 and itself.

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

Tags

CCSS.6.NS.B.4