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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
Write all the prime numbers between:
10 and 40
Write all the prime numbers between:
40 and 80
What are co-primes?
Are co-primes always primes? If no, illustrate your answer by an example.
State the following statement is True or False.
If a number is prime, it must be odd.
Show that the following pairs are co-primes:
343, 432
1 is neither ______ nor ______.
Fill in the blank.
The HCF of two consecutive odd numbers is _________
The number of prime numbers between 11 and 60 is _________
Express the following as the sum of two odd prime.
18
