### Possible Answer

The numbers are: 31, 37, 41, 43, 47. Basically just check to make sure each number isn't divisible by 2, 3, 5, and 7, when you are looking at numbers less than 120. - read more

The numbers are: 31, 37, 41, 43, 47. Basically just check to make sure each number isn't divisible by 2, 3, 5, and 7, when you are looking at numbers less than 120. - read more

Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or search documents about four prime numbers between 20 and 50.