What is the prime factors’ number of 48?  Choose the correct choice from the following answers:
A) 2 B) 3 C) 4 D) 5 E) 6
prime factors’ number, as I assume, for a number X=a^n*b^m*c^o*d^p... is = n+m+o+p...   So, 24 = 2^4*3^1   prime factors’ number will be 4+1= 
<gadget id="calculator">4+1</gadget>
<output>5</output>
5.   Hence, answer is 5.
<result>D</result>
What is the prime factors’ number of 48?