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Published byGyles Mark Harrison Modified about 1 year ago

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Prime Factorization SWBAT find the prime factorization of a number.

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Warm Up 1. Find the GCF of 50 and Plot the point (6, 2) on a coordinate plane. 3. Solve: 2394 ÷ Find the GCF of 50 and Plot the point (6, 2) on a coordinate plane. 3. Solve: 2394 ÷ 17

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Vocab What is a prime number? What does it mean to “factor” Prime Factorization: Finding which prime numbers multiply together to equal a particular number We factor these prime numbers out just like the factor ladder, or we can use a factor tree What is a prime number? What does it mean to “factor” Prime Factorization: Finding which prime numbers multiply together to equal a particular number We factor these prime numbers out just like the factor ladder, or we can use a factor tree

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Rules Each number only has ONE prime factorization. Since 1 is neither prime nor composite, we do not use 1 in our factor string List the numbers from LEAST to GREATEST Numbers that occur more than once can be shown using exponents Exponent: Shows how many times to multiply the base times itself Each number only has ONE prime factorization. Since 1 is neither prime nor composite, we do not use 1 in our factor string List the numbers from LEAST to GREATEST Numbers that occur more than once can be shown using exponents Exponent: Shows how many times to multiply the base times itself

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Example Prime factorization of 24

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Your Turn! Work independently on the worksheet. The top of the sheet gives further explanation, so make sure you read over it.

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Exit Ticket 1.What is a prime number? 2.Find the prime factorization of Describe what we learned today, in your own words, to a student who was absent. 1.What is a prime number? 2.Find the prime factorization of Describe what we learned today, in your own words, to a student who was absent.

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