Create a function that returns True if there's at least one prime number in the given range (n1 to n2 (inclusive)), False otherwise.
prime_in_range(10, 15) ➞ True
# Prime numbers in range: 11, 13
prime_in_range(62, 66) ➞ False
# No prime numbers in range.
prime_in_range(3, 5) ➞ True
# Prime numbers in range: 3, 5
n2 is always greater than n1.n1 and n2 are always positive.