BOSTON NUMBERS 2 run error

#1

question = https://hack.codingblocks.com/contests/c/452/1103
solution = https://ide.codingblocks.com/#/s/20822

#2

As the constraints are too large , you cannot find primes upto the given constraints thats why you are getting runerror . Use the idea of calculating factors and then solve this .

You can take a look on this code
https://ide.codingblocks.com/#/s/21090