Question
Mathematics Question on Highest Common Factor
Determine the greatest 3-digit number exactly divisible by 8, 10 and 12.
Answer
L.C.M. of 8, 10, 12 = 2 x 2 x 2 x 3 x 5 = 120
The largest three digit number = 999
Therefore, the required number = 999 - 39 = 960