Question

find HCF of 168 and 126
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Answer 1

The HCF of 126 and 168 is 42.

Steps to find HCF

Find the prime factorization of 126

126 = 2 × 3 × 3 × 7

Find the prime factorization of 168

168 = 2 × 2 × 2 × 3 × 7

To find the gcf, multiply all the prime factors common to both numbers:

Therefore, HCF = 2 × 3 × 7

GCF = 42

If I am right please pliz plz make it brainliest

Answer 2

Answer:

42

Step-by-step explanation:

168= 2×2×2×3×7

126= 2×3×3×7

so,HCF = 2×3×7= 42