Express 140 as a product of prime factors
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Hence, we should divide the given number consistently by prime numbers starting with 2 , which is first prime number and continue till all factors are prime numbers. Before we try this for given number 140 , let us list first fewprime numbers, which are {2,3,5,7,11,13,17,19,23,29,..
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18 is nothing ..one written with black....is ans
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