Question

qual e ommc de 12,15,25

Answer 1

12, 15, 25 | 2
  6, 15, 25 | 2
  3, 15, 25 | 3
  1,   5, 25 | 5
  1,   1,   5 | 5
  1,   1,   1                  mmc(12, 15, 25) = 2 x 2 x 3 x 5 x 5 = 300

Answer 2

MMC:
12, 15, 25 | 2
6, 15, 25 | 2
3, 15, 25 | 3
1, 5, 25 | 5
1, 1, 5 | 5
1, 1, 1 |  2 * 2 * 3 * 3 * 5 * 5 = 300