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  • 02-03-2021
  • Mathematics
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Find the HCF of 126 and 420

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ajahah0987
ajahah0987 ajahah0987
  • 02-03-2021

Answer:

42

Step-by-step explanation:

Find the prime factorization of 126

126 = 2 × 3 × 3 × 7

Find the prime factorization of 420

420 = 2 × 2 × 3 × 5 × 7

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

Therefore, GCF = 2 × 3 × 7

GCF = 42

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