Question

find the HCF Of 108,144 and 192 by the prime factorisation method​

Answer 1

Answer:

Factors of 144=2×2×2×2×3×3

Factors of 180=2×2×3×3×5

Factors of 192=2×2×2×2×2×3

Common factors of 144,180,192 =(2,2,3)

LCM (144,180,192)=

2×2×2×2×2×2×3×3×5=2880

So,HCF(144,180,192)=2×2×3=12