Question

quem sabe o mmc de 45,75,125

Answer 1

45,75,125 | 5
9,25,25     | 5
9,5,5        | 5
9,1,1        | 3
3,1,1        | 3
1,1,1        |

MMC (45,75,125) = 5.5.5.3.3

MMC (45,75,125) = 1125

Answer 2

Basta fatorar todos,e multiplicar os termos fatorados:

45,75,125|3
15,25,125|3
5,25,125|5
1,5,25|5
1,1,5|5
1,1,1

3²*5³= 1125