Question

MMC ( 17,25) MMC (42,56) MMC ( 16,26) MMC (48,60) MMC (18,21) MMC (54,90) MMC (6,12) MMC (11,55) MMC (8,20) MMC (25,75) MMC (9,27,81) MMC (14,28,56)

Answer 1

17,25|5
17,5|5
17,1|17
1,1|
m.m.c=5x5x17
m.m.c=5^2x17

42,56|2
21,28|2
21,14|2
21,7|3
7,7|7
1,1
m.m.c= 2x2x2x3x7
m.m.c= 2^3x3x7

16,26|2
8,13|2
4,13|2
2,13|2
1,13|13
1,1|
m.m.c= 2x2x2x2x3
m.m.c= 2^4x3

48,60|2
24,30|2
12,15|2
6,15|2
3,15|3
1,5|5
1,1|
m.m.c=2x2x2x2x3x5
m.m.c=2^4x3x5

18,21|2
9,21|3
3,7|3
1,7|7
1,1|
m.m.c=2x3x3x7
m.m.c=2x3^2x7

54,90|2
27,45|3
9,15|3
3,5|3
1,5|5
1,1|
m.m.c= 2x3x3x3x5
m.m.c=2x3^3x5

6,12|2
3,6|2
3,3|3
1,1|
m.m.c= 2x2x3
m.m.c= 2^2x3

11,55|11
1,55|55
1,1|
m.m.c=11x55

8,20|2
4,10|2
2,5|2
1,5|5
1,1|
m.m.c=2x2x2x5
m.m.c=2^3x5

25,75|3
25,25|5
5,5|5
1,1|
m.m.c=3x5x5
m.m.c=3x5^2

9,27,81|3
3,9,27|3
1,3,9|3
1,1,3|3
1,1,1|
m.m.c=3x3x3x3
m.m.c=3^4

14,28,56|2
7,14,28|2
7,7,14|2
7,7,7|7
1,1,1|
m.m.c=2x2x2x7
m.m.c=2^3x7

Answer 2

17,25- 17 e 5.5=25

42,56- 2.3.7= 42 e 2.2.2.7= 56

16,26- 2.2.2.=16 e 2.13= 26 (13 é primo)

48,60- 2.2.2.2.3= 48 e 2.2.3.5= 60

18,21- 2.3.3= 18 e 3.7=21

54,90- 2.3.7= 54 e 2.3.2.5= 90

6,12- 2.3=6 e 2.2.3=12

11,55- 11 e 11.5=55

8,20- 2.2.2 e 2.2.5=20

25,75- 5.5.=25 e 5.5.3=75

9,27,81- 2.3=9, 3.3.3=27 e 3.3.3.3= 81

14,28,56- 2.7=14, 2.2.7=28 e 2.2.2.7= 56

espero ter ajudado,bjs