Question

The no. of ways can 900 be resolved into two +ve integral factors is

• A. 27
• B. 13
• C. 14
• D. 15

Answer 1

Answer: (C)

14

Answer 2

900 = 2² x 3² x 5²

Total no. of divisors = (2 + 1) (2 + 1) (2 + 1) = 27.

Total no. of factors = $\frac{26}{2}$ + 1 = 13 + 1 = 14.