Question

The largest 2-digit prime number is ______.

• A. 97
• B. 95
• C. 91
• D. 93

Answer 1

The correct option is A

97

Prime numbers are numbers which are divisible by 1 and the "number itself",

From the given options,

93 is not a prime number as it is divisible by only 1 , 3, 31 and 93.

91 is not a prime number as it is divisible by 7.

95 is not a prime number as it is divisible by 5.

Thus the highest 2-digit prime number is 97, as it is divisible only by 1 and 97.

Validation:
98 is also not a prime number as it is divisible by 1, 2, 7, 49, 98.

99 is not a prime number as it is divisible by 1, 9, 11, 99.