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# Prime factorization

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Prime Factorization Tutorial

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### Prime factorization

1. 1. A Math Help Tutorial by:Julia K.
2. 2. Prime Factorization
3. 3.  When presented with two or more numbers, you willsometimes be asked to find the GCF of thosenumbers. To do this, you list all of the factors of thepresented numbers, and the greatest numbers thatappear in each sequence is your answer. Forexample: Find the GCF of 16 and 20 Factors of 16: 1, 2, 4, 8, 16 Factors of 20: 1, 2, 4, 5, 10, 20 The greatest common factor is 4.GCF (Greatest CommonFactor)
4. 4.  What is the prime factorization of 144? Find the GCF for 33 and 66. Answers on next slide.Try Two Problems!