Co-Prime Numbers and Twine Prime Numbers

Two relatively prime numbers need not be prime numbers.Is this statement true?

Two relatively prime numbers need not be prime numbers. Is this statement true?

Number of even prime number is

Co-prime numbers is a set of numbers which have 1 as their .......................

Consider the following statements A.The sum of two prime numbers is a prime number. B. The product of two prime numbers is a prime number. Which of these statements is/are correct?

State true or false: The sum of two prime numbers is always a prime number.

The sum of two prime numbers is always a prime number (True/false).