Question

6. Categorise the following pairs of numbers as
coprime or twin primes.
(i) (17, 19)
(ii) (45, 47)
(iii) (29, 31)
(iv) (67, 69)​

Answer 1

Answer:

(17, 19),(45,47),(29,31),(67,69) are twin prime number as 19–17=2 their difference is 2 and are co pimes as their hcf is 1