Which of the following is a prime number?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 89
Concept
Prime number = A number that can be divided exactly only by itself and 1.
Option 1 : 54 which is divisible by 2
Option 2 : 39 which is divisible by 3
Option3 : 68 which is divisible by 4
Option 4 : 89 which is divisible by only 1 or itself
Hence, 89 is a prime number