Question

The L.C.M. of 21,45,63,81 and 210 is _____

Answer 1

Answer:

5670

Step-by-step explanation:

2×3×3×3×3×5×7=5670

Answer 2

Answer

3 21, 45, 63, 81, 210

 3  7, 15, 21, 27, 70

  7  7, 5, 7, 9, 70

   5  1, 5, 1, 9, 10,

         1, 1, 1, 9, 2

LCM = 3×3×7×5×9×2 = 5670