Question

calcule o mmc dos seguintes números(4-25-21

Answer 1

4,5,21|2
2,5,21|2
1,5,21|3
  1,5,7|5
  1,1,7|7
  1,1,1|2²X3X5X7=420

Answer 2

4, 25, 21 /2
2, 25, 21/2
1, 25, 21/3
1, 25,  7/5
1,   5,   75
1,   1,  7/7  ==> 2x2x3x5x5x7 = 2100
1,   1,  1