What is the GCF of 840 and 756?
The GCF of 840 and 756 is 84.
Steps to find GCF
- Find the prime factorization of 840
840 = 2 × 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 756
756 = 2 × 2 × 3 × 3 × 3 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 2 × 3 × 7 - GCF = 84
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Find HCF of: 1680 & 1512 420 & 378 2520 & 2268 280 & 252 4200 & 3780 5880 & 5292 120 & 108 1680 & 756 840 & 1512 2520 & 756 840 & 2268 4200 & 756 840 & 3780 5880 & 756 840 & 5292
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).