Direction: In each of the following questions, five/four words/number are given, out of which four/three are same in one way or the other and the fifth/fourth one is different from these four/three. Select the odd one.
- 
					 NA
 
- 
                        
- 26
 - 34
 - 72
 - 46
 
 
Correct Option: C
Except '72' all the other give a prime number, when divided by 2.