Question

Which number below is a prime number? O A. 61 OB. 102 O C. 75 O D. 64​

Answer 1

Explanation:

61 is divisible by itself and 1. It's prime.

102 ends in a 2. Therefore it is not prime because it can be divided by 2,

75 = 3*5*5 not prime.

64 = 2 * 2 * 2 *2 * 2*2 Not prime.