Solutions by everydaycalculation.com

The GCF of 42 and 9800 is 14.

- Find the prime factorization of 42

42 = 2 × 3 × 7 - Find the prime factorization of 9800

9800 = 2 × 2 × 2 × 5 × 5 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 7 - GCF =
**14**

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Find hcf of: 21 & 4900 6 & 1400 84 & 9800 126 & 9800 210 & 9800 294 & 9800

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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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