What is the GCF of 42 and 540?
The GCF of 42 and 540 is 6.
Steps to find GCF
- Find the prime factorization of 42
42 = 2 × 3 × 7 - Find the prime factorization of 540
540 = 2 × 2 × 3 × 3 × 3 × 5 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 3 - GCF = 6
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Related
Find HCF of: 84 & 1080 21 & 270 126 & 1620 14 & 180 210 & 2700 294 & 3780 84 & 540 42 & 1080 126 & 540 42 & 1620 210 & 540 42 & 2700 294 & 540 42 & 3780
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).