All prime numbers are odd.

MCQ

True or False

This statement is False.

Explanation:

2 is a prime number and it is also even.

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List all even prime numbers.

Find if the following number is a prime number:
63

Find if the following number is a prime number:
91

Are co-primes always primes? If no, illustrate your answer by an example.

Express the following odd number as the sum of three odd prime number:
63

1 is neither ______ nor ______.

Express the following as the sum of two odd primes.

Express the following as the sum of two odd prime.

Which of the following number is prime?

A number which has only two factors is called a ______.