Solutions by everydaycalculation.com

The gcf of 2 and 4 is 2.

- Find the prime factorization of 2

2 = 2 - Find the prime factorization of 4

4 = 2 × 2 - To find the gcf, multiply all the prime factors common to both numbers:

Therefore, GCF = 2

The greatest common factor (gcf) is also known as greatest common divisor (gcd) or highest common factor (hcf).

Find hcf of: 4 & 8 1 & 2 6 & 12 10 & 20 14 & 28 4 & 4 2 & 8 6 & 4 2 & 12 10 & 4 2 & 20 14 & 4 2 & 28

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