Thursday, December 24, 2009

Math 115 ch. 1,2,5,6, review

prime factorizations: is a product of primes:

Find the prime factorization of 504:

2 divided by 504 = 252

2 divided by 252 = 126

2 divided by 126 = 63

3 divided by 63 = 21

3 divided by 21 = 7

The prime factorization is: 2 to the 3rd exponet
3 to the 2 exponet . 7

Find the prime factorization of 144;

2 divided by 144 = 72

2 divided by 72 = 36

2 divided by 36 = 18

2 divided by 18 = 9

3 divided by 9 = 3

Prime factorization of 144 = 2 to the 4th exponet, 3 . 3 ?

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