Verified Answer :

maksimylian

5, 11 and 2 are all prime numbers which add together to create 18.
5+11=16+2=18

For these types of questions you have to think it out. List the prime source lower than 18. 2,3,5,7,11,13,17. Then take a look and test some pairs.

Eventually you'll find that 11, 5, 2 is a solution.

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