Solutions by everydaycalculation.com

The GCF of 10 and 105 is 5.

- Find the prime factorization of 10

10 = 2 × 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 = 5

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Find hcf of: 20 & 210 30 & 315 50 & 525 2 & 21 70 & 735 20 & 105 10 & 210 30 & 105 10 & 315 50 & 105 10 & 525 70 & 105 10 & 735

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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).

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