Question

Which of these sets consists entirely of prime numbers?
Select one of the options below as your answer:

A.
3, 7, 5, 2, 8
B.
5, 11, 13, 41, 61
C.
19, 17, 20, 11, 13
D.
23, 31, 37, 27, 41

Answer 1

which one are you thinking it is?

Answer 2

C

Answer 3

20 is NOT prime since 20 = 4*5 (ie it has factors other than 1 and itself)

Answer 4

D

Answer 5

is 27 prime?

Answer 6

NO

Answer 7

so D can't be it, we want all primes

Answer 8

ITS B

Answer 9

good