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प्रश्न
Which of the following are co-primes?
विकल्प
8, 12
9, 10
6, 8
15, 18
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उत्तर
9, 10
8, 12 are not co-primes as they have a common factor 4.
9, 10 are co-primes as they do not have a common factor.
6, 8 are not co-primes as they have a common factor 2.
5,18 are not co-primes as they have a common factor 3.
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संबंधित प्रश्न
Find if the following number is a prime number:
89
Show that the following pairs are co-primes:
161, 192
Find the HCF of
Two prime numbers
Which of the following is a prime number?
Write 'T' for true and 'F' for false for the following statement.
Every even number is composite.
Write 'T' for true and 'F' for false for the following statement.
The sum of two odd numbers is always odd.
Which of the following numbers is not a prime?
Express the following as the sum of two odd prime.
24
Which of the following number is prime?
37
Which of the following is NOT a prime number?
