How many factors of 880 are odd numbers greater than 1?	Options
A) 3
B) 4
C) 5
D) 6
E) 7

Rationale: when factorized , 880 has 6 prime factors . of these prime factors 2 are odd and 4 are even . hence total number of odd factors is 2 * 2 ( 4 ) , which includes 4 . the total number of odd factors greater than 1 are 3 . ( option a )
Answer: A