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Big Ideas Math: Modeling Real Life, Grade 6

BI

Big Ideas Math: Modeling Real Life, Grade 6 View details

1. Areas of Parallelograms

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Exercise 8 Page 289

The prime factorization of a composite number is the number written as a product of its prime factors.

2* 3* 5* 5, or 2* 3 * 5^2

Practice makes perfect

Let's start by recalling the definition of two important terms.

Term	Definition	Examples
Prime Number	A number that has exactly two positive factors, 1 and itself.	3, 5, 13
Composite Number	A number that is not a prime number.	4, 12, 63

We want to write the prime factorization of 150. The prime factorization of a composite number is the number written as a product of its prime factors. We will use factor pairs and a factor tree to find the prime factorization of 150. The factor tree is complete when only prime factors appear in the product.

The prime factorization of 150 is 2* 3* 5* 5, or 2* 3 * 5^2.

Subchapter links

Try It p.286-287

Self-Assessment for Concepts & Skills p.287

Self-Assessment for Problem Solving p.288

Review & Refresh p.289