Solutions by everydaycalculation.com

The GCF of 70 and 1 is 1.

- Find the prime factorization of 70

70 = 2 × 5 × 7 - Find the prime factorization of 1

1 = 1 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 1

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Find hcf of: 140 & 2 210 & 3 350 & 5 490 & 7 140 & 1 70 & 2 210 & 1 70 & 3 350 & 1 70 & 5 490 & 1 70 & 7

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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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