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4 July, 13:08

Show the prime factorization of each number (72,

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  1. 4 July, 13:21
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    Answer: 72 = 2^3 * 3^2

    72 is even so 2 is a factor; 72/3 = 36

    36 and 36/2 = 18 are also even so we have two more 2's as prime factors. 18/2 = 9 = 3*3 hence we have two 3's as prime factors

    Therefor the prime factors of 72 are 2*2*2*3*3 or 2^3*3^2
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