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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 20 Page 19

How can you write 39 as the product of two natural numbers?

1 and 39, 3 and 13

Practice makes perfect
The factors of a number are any natural numbers we can multiply to get that number. Let's write 39 as the product of two numbers in as many ways as possible.
39 Written as a Product of Two Numbers Factors
1 * 39=39 1 and 39
3 * 13=39 3 and 13

We found that 39 has 2 pairs of factors.

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