Question

Me ajudem m.m.c 15*18

Answer 1

15/3             18/2                                                                                                   5/5                 9/3                                                                                                   1                     3/3                                                                                            15=3x5            1     18=2x3x3=2x3³                                                                                                          m.m.c (15,18)=2x3x3x5=90                               

Answer 2

15,18| 3
5, 6 |3
5, 2 |2
5, 1 |5
1, 1

Logo, 3×3×2×5= 90

M.M.C (15,18)=90