a. 12 30 45
^ ^ ^
2 6 2 15 3 15
2 3 3 5 3 5
12 = 2² x 3
30 = 2 x 3 x 5
45 = 3² x 5
KPK = 2² x 3² x 5
= 180
FBP = 3
b. 18 24 30
2 9 2 12 2 15
3 3 2 6 3 5
^
2 3
18 = 2 x 3²
24 = 2³ x 3
KPK = 2³ X 3² x 5
= 360
FBP = 2 x 3
= 6
c. 6 8 18
2 3 2 4 2 9
^ ^
2 2 3 3
6 = 2 x 3
8 = 2³
KPK = 2³ x 3²
= 72
FBP = 2
d. 20 24 36
2 10 2 12 2 18
2 5 2 6 2 9
2 3 3 3
20 = 2² x 5
36 = 2² x 3²
KPK = 2³ x 3² x 5
FBP = 2²
= 4
e. 12 15 18
2 6 3 5 2 9
15 = 3 x 5
FPB = 3
f. 36 48 60
2 18 2 24 2 30
48 = 2⁴ x 3
60 = 2² x 3 x 5
KPK = 2⁴ x 3² x 5
= 720
FPB = 2² x 3
= 12
g. 4 6 12
2 2 2 3 2 6
4 = 2²
KPK = 2² x 3
h. 20 30 40
2 10 2 15 2 20
2 5 3 5 2 10
2 5
40 = 2³ x 5
KPK = 2³ x 3 x 5
= 120
FBP = 2 x 5
= 10
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a. 12 30 45
^ ^ ^
2 6 2 15 3 15
^ ^ ^
2 3 3 5 3 5
12 = 2² x 3
30 = 2 x 3 x 5
45 = 3² x 5
KPK = 2² x 3² x 5
= 180
FBP = 3
b. 18 24 30
^ ^ ^
2 9 2 12 2 15
^ ^ ^
3 3 2 6 3 5
^
2 3
18 = 2 x 3²
24 = 2³ x 3
30 = 2 x 3 x 5
KPK = 2³ X 3² x 5
= 360
FBP = 2 x 3
= 6
c. 6 8 18
^ ^ ^
2 3 2 4 2 9
^ ^
2 2 3 3
6 = 2 x 3
8 = 2³
18 = 2 x 3²
KPK = 2³ x 3²
= 72
FBP = 2
d. 20 24 36
^ ^ ^
2 10 2 12 2 18
^ ^ ^
2 5 2 6 2 9
^ ^
2 3 3 3
20 = 2² x 5
24 = 2³ x 3
36 = 2² x 3²
KPK = 2³ x 3² x 5
= 360
FBP = 2²
= 4
e. 12 15 18
^ ^ ^
2 6 3 5 2 9
^ ^
2 3 3 3
12 = 2² x 3
15 = 3 x 5
18 = 2 x 3²
KPK = 2² x 3² x 5
= 180
FPB = 3
f. 36 48 60
^ ^ ^
2 18 2 24 2 30
^ ^ ^
2 9 2 12 2 15
^ ^ ^
3 3 2 6 3 5
^
2 3
36 = 2² x 3²
48 = 2⁴ x 3
60 = 2² x 3 x 5
KPK = 2⁴ x 3² x 5
= 720
FPB = 2² x 3
= 12
g. 4 6 12
^ ^ ^
2 2 2 3 2 6
^
2 3
4 = 2²
6 = 2 x 3
12 = 2² x 3
KPK = 2² x 3
= 12
FBP = 2
h. 20 30 40
^ ^ ^
2 10 2 15 2 20
^ ^ ^
2 5 3 5 2 10
^
2 5
20 = 2² x 5
30 = 2 x 3 x 5
40 = 2³ x 5
KPK = 2³ x 3 x 5
= 120
FBP = 2 x 5
= 10