Solutions by everydaycalculation.com

The GCF of 6 and 10 is 2.

- Find the prime factorization of 6

6 = 2 × 3 - Find the prime factorization of 10

10 = 2 × 5 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2

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Find hcf of: 12 & 20 3 & 5 18 & 30 30 & 50 42 & 70 12 & 10 6 & 20 18 & 10 6 & 30 30 & 10 6 & 50 42 & 10 6 & 70

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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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