Question

find the H. C. F using prime factorization method 14,42,84​

Answer 1

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Prime factorisation of 42=2×3×7

Prime factorisation of 72=2×2×2×3×3=2^3 ×3 ^2

∴HCF(42,72)=2×3=6

And, LCM(42,72)=2^3×3 ^2 ×7 =504

Answer 2

Answer:

14

Step-by-step explanation:

See the photo attached for prime factorisation method

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