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Common factors of 36 and 81?

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โˆ™ 2012-08-13 14:43:07

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To find the common factors you reduce each number to its primes. A prime is a number that can only be divided by one to get a unique whole number.

Definition Of Common Factor: A number that will divide into two numbers evenly.

Prime's

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81=3x3x3x3

36=3x3x4

Since both numbers have (2) 3's in common 3 and 9 are common factors.

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โˆ™ 2012-08-13 14:43:07
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