Year 6 - Prime Factorization

Presentation

•

Mathematics

•

6th Grade

•

Easy

shelomi rupasingha

Used 3+ times

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5 Slides • 7 Questions

Prime Factorization

Prime Numbers

2, 3, 5, 7, 11, 13, 17, 19, 23, ...
Can only be divided by themselves and 1

Prime Factorization

Break a number down into "prime factors"
Rewrite as prime numbers being multiplied together

Multiple Choice

Which of the following is correct prime factorization of 12?

$2\times6$

$1\times12$

$2\times2\times3$

$3\times4$

Example: Prime Factorization of 32.

Open Ended

Look at the tree diagrams. Based on these diagrams, what is the prime factorization of 30?

Type response here

Multiple Choice

Use a number tree to find the prime factorization of 60

5 x 3 x 2 x 2

7 x 6 x 5

Multiple Choice

Use a number tree to find the prime factorization of 42

4 x 4 x 3

7 x 3 x 2

Multiple Choice

Use a number tree to find the prime factorization of 72

2 x 2 x 2 x 3 x 3

4 x 3 x 3 x 2

Multiple Choice

Use a number tree to find the prime factorization of 18

3 x 3 x 2

3 x 3 x 3

Multiple Choice

10.) Find the prime factorization of 75 in exponential form.

3 × 5²

3²× 5

5 × 15

3²× 5²

Prime Factorization

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