Question

What is the HCF of 84,120,138

Answer 1

Answer:

H.C.F=6

Step-by-step explanation:

By Prime factorisation

84=2×2×3×7

120=2×2×2×3×5

138=2×3×23

H.C.F.=2×3=6

Hope this helps you:)

Answer 2

Answer:

84 = 2² × 3 × 7

120 = 2³ × 3 × 5

138 = 2 × 3 × 23

HCF = product of common terms with lowest power

HCF = 2 × 3 = 6

Step-by-step explanation: