Solutions by everydaycalculation.com

The GCF of 5 and 10 is 5.

- Find the prime factorization of 5

5 = 5 - Find the prime factorization of 10

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

Therefore, GCF = 5

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Find hcf of: 10 & 20 15 & 30 25 & 50 1 & 2 35 & 70 10 & 10 5 & 20 15 & 10 5 & 30 25 & 10 5 & 50 35 & 10 5 & 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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