What is the GCF of 840 and 1400?
The GCF of 840 and 1400 is 280.
Steps to find GCF
- Find the prime factorization of 840
840 = 2 × 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 1400
1400 = 2 × 2 × 2 × 5 × 5 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 2 × 2 × 5 × 7 - GCF = 280
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Related
Find HCF of: 1680 & 2800 420 & 700 2520 & 4200 4200 & 7000 168 & 280 5880 & 9800 120 & 200 1680 & 1400 840 & 2800 2520 & 1400 840 & 4200 4200 & 1400 840 & 7000 5880 & 1400 840 & 9800
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).