GCF and Prime Factorization Review

What is a composite number?

• A whole number greater than 1 that has more than 2 factors.

• A whole number greater than 1 that has exactly 2 factors, 1 and itself.

• A number that divides evenly into another number.

• A number that you multiply by another number.

What is a prime number?

• A whole number greater than 1 that has more than 2 factors.

• A whole number greater than 1 that has exactly 2 factors, 1 and itself.

• A number that divides evenly into another number.

• A number that you multiply by another number.

What is the prime factorization of 48?

• 2 x 3 x 8

• 2 x 2 x 3 x 4

• 2 x 2 x 2 x 3

• 2 x 2 x 2 x 2 x 3

What is the prime factorization of 100?

• 2 x 5 x 10

• 2 x 5 x 5

• 4 x 25

• 2 x 2 x 5 x 5

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

Tags

CCSS.6.NS.B.4

Maya had 16 red flowers and 24 yellow flowers.  She wants to make bouquets with the same number of each color flower in each bouquet.  What is the greatest number of bouquets that she can make?

• 4
• 2
• 48
• 8

Tags

CCSS.6.NS.B.4

GCF of 99 and 54

• 9
• 3
• 6
• 8

Tags

CCSS.6.NS.B.4

What is the prime factorization of 360?

• 2 x 2 x 2 x 3 x 7

• 8 x 9 x 5

• 2 x 2 x 2 x 3 x 3 x 5

• 36 x 10

What is the GCF of 36 and 54?

• 2

• 4

• 9

• 18

Tags

CCSS.6.NS.B.4

Breaking down a number as a product of only prime numbers is called what?

• prime
• composite
• greatest common factor
• prime factorization