Subject :IMO Class : Class 4
Which of the following numbers has the least number of factors?
A17
B14
C10
D16
The answer is A because 17 is a Prime number and has only 2 factors that are 1 and 17 .
Ans 1: (Master Answer)
Class : Class 1
(A): Prime numbers have least number of factors. Hence, 17 has least factors as it is prime number.