Solutions by everydaycalculation.com

The GCF of 1470 and 840 is 210.

- Find the prime factorization of 1470

1470 = 2 × 3 × 5 × 7 × 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 = 2 × 3 × 5 × 7 - GCF =
**210**

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Find hcf of: 2940 & 1680 735 & 420 4410 & 2520 490 & 280 7350 & 4200 294 & 168 210 & 120 2940 & 840 1470 & 1680 4410 & 840 1470 & 2520 7350 & 840 1470 & 4200 1470 & 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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