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प्रश्न
Which of the following are co-primes?
पर्याय
39, 91
161, 192
385, 462
none of these
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उत्तर
161 and 192
39 and 91 are not co-primes as 39 and 91 have a common factor, i.e. 13.
161 and 192 are co-primes as 161 and 192 have no common factor other than 1.
385 and 462 are not co-primes as 385 and 462 have common factors 7 and 11.
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संबंधित प्रश्न
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