Prime Factorization

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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What is the second step to solving a prime factorization problem?

• Simplify using exponents

• Break down a number using a Factor Tree

• Order the Prime numbers from Greatest to Least

• Order the Prime numbers from Least to Greatest

2 is the only even prime number

• True

• False

find the prime factorization of 18

• 3x2x2

• 3x3x3

• 33x3

• 3x3x2

find the prime factorization of 48

• 4x2x6

• 4x2x2x3

• 3x2x2x2x2

• 12x4

find the prime factorization of 72

• 2x2x2x3x3

• 4x3x3x2

• 4x2x2x2x2

find the prime factorization of 33

• 33

• 11x3

• 10x3

• 3x3x3x2

Use a number tree to find the prime factorization of 42

• 4x4x3
• 6x7
• 7x3x2
• 5x4x2

find the prime factorization of 64

• 4x4x4

• 4x4x2x2

• 2x2x2x2x2x2

• 4x4x2x1

find the prime factorization of 60

• 5x3x2x2

• 7x6x5

• 5x3x3x2

• 7x5x4