The difference between two prime numbers is 1985. The larger of these two prime numbers is

Question

A. 2431
B. 2002
C. 1987
D. 1986

Answer 1

well, if one were a prime number then 1986 would do
BUT since it is not (any number greater than one not divisible by anything but ---), then 1987 would do since surely 2 is a prime number.