Solutions by everydaycalculation.com

The GCF of 35 and 840 is 35.

- Find the prime factorization of 35

35 = 5 × 7 - Find the prime factorization of 840

840 = 2 × 2 × 2 × 3 × 5 × 7 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 5 × 7 - GCF =
**35**

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Find hcf of: 70 & 1680 105 & 2520 175 & 4200 7 & 168 245 & 5880 5 & 120 70 & 840 35 & 1680 105 & 840 35 & 2520 175 & 840 35 & 4200 245 & 840 35 & 5880

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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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