Which one of the following is a prime number ?
A. 161
B. 221
C. 373
D. 437
E. None of these
Answer: Option C
Solution (By Examveda Team)
437 > 22All prime numbers less than 22 are : 2, 3, 5, 7, 11, 13, 17, 19
161 is divisible by 7, and 221 is divisible by 13
373 is not divisible by any of the above prime numbers.
Therefore 373 is prime
This Question Belongs to Arithmetic Ability >> Number System
why you did 437>22