Hcf of 168 and 126 is
42
42
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Simple one
168= 126,1+42 126= 42,3+0 So hcf is 42
The HCF of 126 and 168 is 42.Steps to find HCFFind the prime factorization of 126126 = 2 × 3 × 3 × 7Find the prime factorization of 168168 = 2 × 2 × 2 × 3 × 7To find the gcf, multiply all the prime factors common to both numbers:Therefore, HCF = 2 × 3 × 7GCF = 42