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Big Ideas Math: Modeling Real Life, Grade 6
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Big Ideas Math: Modeling Real Life, Grade 6 View details
3. Prime Factorization
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Exercise 21 Page 19

How can you write 45 as the product of two natural numbers?

1 and 45, 3 and 15, 5 and 9

Practice makes perfect
The factors of a number are any natural numbers we can multiply to get that number. Let's write 45 as the product of two numbers in as many ways as possible.
45 Written as a Product of Two Numbers Factors
1 * 45=45 1 and 45
3 * 15=45 3 and 15
5 * 9=45 5 and 9

We found that 45 has 3 pairs of factors.

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