Question

Sho the formula hcf of 30,40 and 80

Answer 1

Answer:

10

Explanation:

30 = (2)×3×(5)

40 = (2)×2×2×(5)

80 = (2)×2×2×2×(5)

take factor that are common for all three numbers

bracket denote number that are common for all three

HCF = 2×5 = 10