Solutions by everydaycalculation.com

The GCF of 192 and 20 is 4.

- Find the prime factorization of 192

192 = 2 × 2 × 2 × 2 × 2 × 2 × 3 - Find the prime factorization of 20

20 = 2 × 2 × 5 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 2 - GCF =
**4**

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Find hcf of: 384 & 40 96 & 10 576 & 60 960 & 100 1344 & 140 384 & 20 192 & 40 576 & 20 192 & 60 960 & 20 192 & 100 1344 & 20 192 & 140

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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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