Question

How many prime factors do 16200 have?

• A. 9
• B. 10
• C. 8
• D. 11

Answer 1

Answer:

A. 9

$16200=162\times100$

$100=2^2\times5^2$

$162=2\times3^4$

$16200=2^3\times3^4\times5^2$

The number of prime factors is sum of the powers = 3 +4 +2 = 9.