which of the numbers is not coprime of the num 299
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Step-by-step explanation:299 itself not a coprime
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1 and all integral multiples of 13,23,299 are not coprime with num 299
- In number theory, two integers a and b are said to be coprime if the only positive integer that divides both of them is 1. That is there is no common factor other than 1 between a and b.
- Now to find the factors of 299 we have to factorise first 299. The prime factorisation of 299 yields, .
- Now both 13 and 29 are prime numbers. And both divides 299. Now 1 and 299 trivially divides 299.
- Now any number which is integral multiple of 13 or 23 or 299 will have at least one common factor with 299. So they can't be coprime.
- Hence 1 and all integral multiples of 13,23,299 are not coprime with 299.
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