What is the product of all the prime factors of 12?	Options.
A) 108	B) 18	C) 9	D) 6	E) 12
12 , factors are 2,3,4,6,1. Now again prime Numbers are Only Two i.e 2 and 3 , this time we would have  2*2*3= 
<gadget id="calculator"> 2*2*3</gadget>
<output>12</output>
12   Answer : 12
<result>E</result>
What is the product of all the prime factors of 12?