Tell which number is prime: 19, 28, 49, 63.

A.63***
B.49
C.28
D.19

is 19!

The answer is 19

19

the answer is 9

here is a tip

The 30 prime numbers are. 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101. 103. 107, 109, 113, 117 and their sum is 230.

does anyone know the answer???????

( ͡° ͜ʖ ͡°)

WHAT IS THE ANSWER

It's 19

answer is 19

28

Any number ending in 2 is an even number and it will be divisible by 2, therefore it is not prime. Try 3. Take the number, and add the digits up, when those digits are divisible by 3, the number is not prime. Which one is left?

i dont get it.

wait sothe answer is 49