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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
Write the smallest odd prime number.
State the following statement is True or False.
If a number is prime, it must be odd.
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The sum of two prime numbers is always a prime number.
Show that the following pairs are co-primes:
161, 192
Which of the following is a prime number?
Which of the following are co-primes?
Fill in the blank.
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Write 'T' for true and 'F' for false for the following statement.
The HCF of two given numbers is always a factor is their LCM.
Every natural number is either prime or composite
All prime numbers are odd.
