Question

- Which set of numbers contains only

primes?
A. {1, 2, 3, 57
B. {17, 13, 5,0}
C. {0, 1, 33,51)
D. 9, 7, 5, 3}
E. {2, 7, 13, 19}

Answer 1

E. 2x1, 7x1, 13x1, 19x1

Explanation:

Answer 2

E is correct
A is wrong because 1 isn’t a prime number
B and C is wrong because 0 isn’t
D is wrong because 9 isn’t prime