Question

which of the number are prime 39,19,129,327​

Answer 1

prime no are - 19

Step-by-step explanation:

I hope help

Answer 2

Answer:

19

Step-by-step explanation:

Prime numbers are those numbers which have only two factors , 1 and the number itself.

Here , only 19 is one such number which has two factors 1 and 19.

39 = 1 , 3 , 13 , 39

129 = 1 , 3 , 43 , 129

327 = 1 , 3 , 109 , 327