Problem 1119. sum of non-primes

Created by li jian

The sum of the non-primes below 10 is 1+4+6+8+9+10=38

Find the sum of all the non-primes below the input, N.

Problem Group

Community

Solve This Now!

51 solvers submitted 91 solutions (1.78 solutions/solver).

Solution Map Solution List Solvers

Problem Comments

1 player likes this problem

1 Comment

Vincent on 13 Dec 2012

The description of the problem is slightly misleading. It says the sum "below" 10, yet the sum includes 10. It should be ammended to "Find the sum of all the non-primes below the input, and including the input, N.", or something to that effect.

Problem 1119. sum of non-primes

Tags

Problem Group

51 solvers submitted 91 solutions (1.78 solutions/solver).

Problem Comments