Advertisements
Advertisements
Question
Are co-primes always primes? If no, illustrate your answer by an example.
Advertisements
Solution
No, co–primes are not always primes.
For example, 3 and 4 are co-prime numbers, where 3 is a prime number and 4 is not a prime number.
APPEARS IN
RELATED QUESTIONS
Make a list of seven consecutive numbers, none of which is prime.
Express the following number as the sum of twin prime:
144
Which of the following are co-primes?
The smallest prime number is ______.
Fill in the blank.
The HCF of two consecutive odd numbers is _________
Fill in the blank.
Two perfect numbers are ________ and _______
Write 'T' for true and 'F' for false for the following statement.
Every prime number is odd.
Write the smallest and the biggest two digit prime number
The digits of the prime number 13 can be reversed to get another prime number 31. Find if any such pairs exist upto 100
Which of the following is NOT a prime number?
