Prime Factorization and GCF

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

Find the prime number.

• 10
• 9
• 7
• 4

Tags

CCSS.4.OA.B.4

Which list has only prime numbers?

• 2, 3, 4, 5
• 1, 5, 7, 9
• 2, 3, 5, 7
• 2, 4, 6, 8

Tags

CCSS.4.OA.B.4

Which list is only composite numbers?

• 1, 3, 4
• 2, 4, 6
• 4, 6, 8
• 5, 6, 8

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 48

• 4x2x6
• 4x2x2x3
• 3x2x2x2x2
• 12x4

GCF of 99 and 54

• 9
• 3
• 6
• 8

Tags

CCSS.6.NS.B.4

Simplify  14/35

• 3
• 2/5
• 5/2
• 7/17.5

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2

Simplify 30/54

• 5/8
• 4/9
• 5/9
• 6/11

Tags

CCSS.6.NS.A.1

CCSS.6.NS.B.4

What is the prime factorization of 60?

• 10 x 6

• 5 x 12

• 2 x 2 x 3 x 5

• 5 x 5 x 2 x 3