Question

MMC desses números juntos:
(15,25)
(16,26)
(18,21)

Answer 1

(15,25) =  75
(16,26) = 208 
(18,21) = 126

Answer 2

mmc (15;25)

15;25|3
05;25|5
01;05|5
01;01

mmc = 3×5×5 = 75

mmc (16;26)

16;26|2
08;13|2
04;13|2
02;13|2
01;13|13
01;01

mmc= 2×2×2×2×13=208

mmc(18;21)

18;21|3
06;07|2
03;07|3
01;07|7
01;01

mmc= 3×2×3×7 =126