Question

qual e o m.m.c de 15,25,40

Answer 1

15 - 25 - 40 / 5
3 - 5 - 8 / 5
3 - 1 - 8 / 3
1 - 1 - 8 / 2
1 - 1 - 4 / 2
1 - 1 - 2 / 2
1 - 1 - 1 

Multiplicamos os numeros usados para dividir os demais numeros (15,25,40):
5 . 5 .3 . 2 . 2 . 2 = 25 . 3 . 2 . 2 . 2 = 75 .  2 . 2 . 2 = 150 . 2 . 2 = 300 . 2
= 600

Answer 2

15, 25, 40 2
15, 25, 20 2
15, 25, 10. 2
15, 25, 5 3
5, 25, 5 5
1, 5, 1 5
1, 1, 1 600