What is the GCF of 84 and 72?
The GCF of 84 and 72 is 12.
Steps to find GCF
- Find the prime factorization of 84
84 = 2 × 2 × 3 × 7 - Find the prime factorization of 72
72 = 2 × 2 × 2 × 3 × 3 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 2 × 3 - GCF = 12
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Related
Find HCF of: 168 & 144 42 & 36 252 & 216 28 & 24 420 & 360 588 & 504 168 & 72 84 & 144 252 & 72 84 & 216 420 & 72 84 & 360 588 & 72 84 & 504
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).