Answers

2016-04-11T22:19:04+05:30
Prime no. -Those nos. having two factors are called prime no. First fifteen prime no. Are 2,3,5,7,11,13,17,19,23,29,31,37,43,47,53.
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2016-04-11T22:23:47+05:30
First fifteen prime numbers are 2,3,5,7,11,13,17,19,23,29,31,37,43,47,53.

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