Answers

2015-09-08T16:08:56+05:30
If two or more numbers have only one number as common factor (it will always be 1), we say they are co-prime numbers.
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2015-09-08T16:11:28+05:30
Two numbers are called co-prime if the have no common factor except 1.

For example,
factors of 15 = 1, 3, 5, 15
factors of 22 = 1, 11, 22

15 and 22 have only one common factor, that is 1. So 15 and 22 are co-prime.
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