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Using prime factarisation method ,find HCF & LCM of 72,126&168?
Most Upvoted Answer
Using prime factarisation method ,find HCF & LCM of 72,126&168?
Prime factorisation of 72 = 2 × 2 × 2 × 3 × 3.

Prime factorisation of 126 = 2 × 3 × 3 × 7.

Prime factorisation of 168 = 2 × 2 × 2 × 3 × 7.

HCF of 72 , 126 and 168 = 2 × 3 = 6.

LCM of 72 , 126 and 168 = 2 × 2 × 2 × 3 × 3 × 7 = 504.
Community Answer
Using prime factarisation method ,find HCF & LCM of 72,126&168?
Using Prime factorization method
72 ---> 2×2×2×3×3
126 ---> 2×3×3×7
168 ---> 2×2×2×3×7
HCF ---> 2 × 3=6
LCM ---> 2×2×2×3×3×7=504
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Using prime factarisation method ,find HCF & LCM of 72,126&168?
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