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<< Pre-Algebra: Lesson 031 >>
Factors and Multiples
Prime Factorization
(Prime Factorization)
     
 
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Lesson Description - Prime Factorization:
This lesson covers the idea of prime factorization. Students learn that the prime factorization of a number is the given number written as the product of its prime factors. For example, to find the prime factorization of 45, use a factor tree to find that 45 is 5 x 9, and 9 is 3 x 3. So the prime factorization of 45 is 5 x 3 x 3, or 5 x 3^2. Note that the prime factorization of a prime number, such as 23, is the number itself. Watch the free video above to learn more about prime factorization.

Related Lessons:
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