Prime Factorization Review

What is a Prime Number?

• A number that has more than two factors

• An Odd Number

• A number that only has two factors; one and itself.

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Tags

CCSS.4.OA.B.4

Is 5 prime or composite? 

• Prime
• Composite

Tags

CCSS.4.OA.B.4

Use a factor tree to find the prime factorization of 32

• 2x2x2x4

• 2x2x2x2x2

• 4x4x2

• 2x2x2x2x1

Tags

CCSS.4.OA.B.4

Use a factor tree to find the prime factorization of 42

• 4x4x3

• 6x7

• 7x3x2

• 5x4x2

Tags

CCSS.4.OA.B.4

Use a factor tree to find the prime factorization of 33

• 33

• 11x3

• 10x3

• 3x3x3x2

2 x 2 x 2  or 2³ is the prime factorization of

• 6
• 12
• 22
• 8

Tags

CCSS.6.EE.A.1

6

• Prime

• Composite

17

• Prime

• Composite

65

• Prime

• Composite

A number that has only two factors, 1 and itself, is called a _______ number.

• prime
• composite
• odd
• even