Question

find the hcf of number by prime factorisation method b) 524,128,56​

Answer 1

Answer:

HCF= 4

Step-by-step explanation:

524 = 2×2×131 = 2²×131

128 = 2×2×2×2×2×2×2 = 2⁷

56 = 2×2×2×7 = 2³×7

HCF = lowest power of common factors = 2² = 4