Write A Program to Find Sum Of Difference between Consecutive Prime Numbers which lie within the input range.

Question

input : 4,20
output : 14
((7-5)+(11-7) +(13-11)+(17-13)+(19-17)) = (2 + 4 +2 + 4 + 2)

Answer 1

I don't know answer someone please attempt this

Answer 2

Find all the primes between the given numbers and store them in an array. Run a loop and store the differences between two consecutive numbers in the above array and store them in a other array .Now run a last loop and find out the sum.