A rectangular block 12cm by 36cm by 60cm is cut into an exact number of equal cubes. Find the least possible number of cubes?  Options:	A) 6	B) 10	C) 15	D) 40	E) 22
Volume of the block = 12*36*60= 
<gadget id="calculator">12*36*60</gadget>
<output>25_920</output>
25920 cm^3   Side of the largest cube= H.15.F of 12,36,60 = 12cm   Volume of the cube = 12*12*12= 
<gadget id="calculator">12*12*12</gadget>
<output>1_728</output>
1728 cm^3   Number of cubes= 25920/1728= 
<gadget id="calculator">25920/1728</gadget>
<output>15</output>
15   Answer is 15
<result>C</result>
A rectangular block 12cm by 36cm by 60cm is cut into an exact number of equal cubes. Find the least possible number of cubes?