Tentukan kpk dan fpb dari bilangan berikut!
1. 30 & 56
2. 120 & 160
3. 24,36, dan 72
4. 15,60,dan 105
tolong bantu ya pake cara mksih
1. 30 & 56
2. 120 & 160
3. 24,36, dan 72
4. 15,60,dan 105
tolong bantu ya pake cara mksih
30 = 2 × 3 × 5
56 = 2³ × 7
KPK = 2³ × 3 × 5 × 7
KPK = 8 × 15 × 7
KPK = 840
FPB = 2
No. 2 :
120 = 2³ × 3 × 5
160 = 2⁵ × 5
KPK = 2⁵ × 3 × 5
KPK = 32 × 15
KPK = 480
FPB = 2³ × 5
FPB = 8 × 5
FPB = 40
No. 3 :
24 = 2³ × 3
36 = 2² × 3²
72 = 2³ × 3²
KPK = 2³ × 3²
KPK = 8 × 9
KPK = 72
FPB = 2² × 3
FPB = 4 × 3
FPB = 12
No. 4 :
15 = 3 × 5
60 = 2² × 3 × 5
105 = 3 × 5 × 7
KPK = 2² × 3 × 5 × 7
KPK = 8 × 15 × 7
KPK = 840
FPB = 3 × 5
FPB = 15