Find the hcf by prime factorization 30 and 105 – InterviewSolution

1.

Find the hcf by prime factorization 30 and 105

Answer»

Step-by-step explanation:

FIND the prime factorization of 30

30 = 2 × 3 × 5

Find the prime factorization of 105

105 = 3 × 5 × 7

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

Therefore, GCF = 3 × 5

GCF = 15

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