Question

Tentukan kpk dari bilangan -bilangan berikut. a.12 dan 28 b.25 dan 25 c.16,24, dan 36 d.24,48, dan 72

Answer 1

A.
12 = 2^2 × 3
28 = 2^2 × 7
KPK = 2^2 × 3 × 7 = 4 × 3 × 7 = 84

B.
25 = 5^2
125 = 5^3
KPK = 5^3 = 125

C.
16 = 2^4
24 = 2^3 × 3
36 = 2^2 × 3^2
KPK = 2^4 × 3^2 = 16 × 9 = 144

D.
24 = 2^3 × 3
48 = 2^4 × 3
72 = 2^3 × 3^2
KPK = 2^4 × 3^2 = 16 × 9 = 144