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Published byDustin Robbins Modified over 9 years ago
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Prime Factorization
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Warm-up Please use the 4 step process to complete this problem in your spiral Which group contains 4 factors of 32? a. 2, 4, 9, 16 b. 2, 4, 8, 32 c. 1, 2, 3, 4 d. 2, 4, 6, 32
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What is Prime Factorization? Prime Factorization – Writing a number as the product of prime factors. You can use any two factors to make your tree. 16 44 2222 82 4 22 2
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Getting Your Answer To get your answer you have to multiply the circled numbers Circle the prime numbers 16 44 2222 2 x 2 x 2 x 2
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Prime Factorization Draw Factor Trees for 12.
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Prime Factorization Draw Factor Trees for 42.
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Prime Factorization Draw Factor Trees for 56.
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Prime Factorization Draw Factor Trees for 24 and 36.
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Prime Factorization 1. The prime factorization of 54 is _____. a. 1 x 2 x 3 x 3 x 54 b. 2 x 3 x 3 x 3 c. 2 x 3 x 3 x 3 x 6 x 9 d. 2 x 2 x 9
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Prime Factorization 2. Which answer choice is NOT a prime factorization? a. 2 x 2 x 11 b. 3 x 5 x 7 c. 3 x 3 x 8 d. 5 x 5 x 5
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Prime Factorization 3. 2 x 2 x 2 x 5 is the prime factorization for which number? a. 30 b. 40 c. 20 d. 25
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Prime Factorization 4. Marissa’s math homework paper had a corner torn off. All that was remaining of a prime factorization was 2 x 2 x 5 x _. This could NOT have been the prime factorization for which number below? a. 25 b. 40 c. 60 d. 80
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