A Prime Number Is a Natural Number That Is Larger

Multiple Choice

A prime number is a natural number that is larger than 1 and can only be divided exactly by itself and 1. Which of the following sets of numbers contains only prime numbers?

A) { 31, 29, 35 }
B) { 25, 11, 31 }
C) { 19, 29, 31 }
D) { 11, 19, 12 }
E) { 19, 15, 29 }