Question

Answer Q,no 5. Give correct answer to get brainliest

Answer 1

Answer:

Ans 3. 19

Ans 4. A twin prime is a prime number that is either 2 less or 2 more than another prime number—for example, either member of the twin prime pair (41, 43). In other words, a twin prime is a prime that has a prime gap of two. ... However, it is unknown whether there are infinitely many twin primes or there is a largest pair.

(29, 31), (41, 43) are the pairs of twin prime numbers between 20 to 60.

Ans 5. (13, 31), (17, 71), (37, 73), (79, 97).