A rectangular block 6cm by 12cm by 15cm is cut into an exact number of equal cubes. Find the least possible number of cubes? Choose the correct choice from the following
A) 20  B) 25  C) 40  D) 50  E) 35
Volume of the block = 6*12*15= 
<gadget id="calculator">6*12*15</gadget>
<output>1_080</output>
1080 cm^3   Side of the largest cube= H.40.F of 6,12,15 = 3cm   Volume of the cube = 3*3*3= 
<gadget id="calculator">3*3*3</gadget>
<output>27</output>
27 cm^3   Number of cubes= 1080/27= 
<gadget id="calculator">1080/27</gadget>
<output>40</output>
40   Answer is 40
<result>C</result>
A rectangular block 6cm by 12cm by 15cm is cut into an exact number of equal cubes. Find the least possible number of cubes?