In how many possible ways you can write 3240 as product of 3 positive integers x,y,z . Pick one
A) 420  B) 450  C) 350  D) 320  E) 380
3240=2^3*3^4*5   we have to distribute three 2 to three numbers : 3+3-1C3-1=5C2=10   similarly for 3 and 5   therefore total=10*15*3= 
<gadget id="calculator">10*15*3</gadget>
<output>450</output>
450   ANSWER:450
<result>B</result>
In how many possible ways you can write 3240 as product of 3 positive integers x,y,z .