Question

12. What are twin primes? Write all the pairs of twin primes between 50 and 100.
13. What are co-primes? Give examples of five pairs of co-primes. Are co-primes always
primes? If no, illustrate your answer by an example.
14. Express each of the following numbers as the sum of two odd primes:​

Answer 1

Answer:

twin prime example 41 and 43