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What is the prime factorization of each of the following numbers?

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A. 84 B. 98 C. 310? 

asked Jul 11, 2014 in PRE-ALGEBRA by anonymous

1 Answer

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A) The number is 84.

84 = 2 * 42

     = 2 * 2 * 21

     = 2 * 2 * 3 * 7

Therefore the prime factorization of  84 is  22 * 3 * 7.

B) The number is 98.

98 = 2 * 49

     = 2 * 7 * 7

Therefore the prime factorization of  98 is are  2 * 72.

C) The number is 310.

310 = 2 * 155

       = 2 * 5 * 31

Therefore the prime factorization of  310 are  2 * 5 * 31.

answered Jul 11, 2014 by joly Scholar

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