KPK dari 56,60, dan 72 adalah​

56 = 2 × 2 × 2 × 7 = 2^3 × 7

60 = 2 × 2 × 3 × 5 = 2^2 × 3 × 5

72 = 2 × 2 × 2 × 3 × 3 = 2^3 × 3^2

KPK

= 2^3 × 3^2 × 5 × 7

= 8 × 9 × 5 × 7

= 2520