What is the GCF of 7938 and 2397?
The GCF of 7938 and 2397 is 3.
Steps to find GCF
- Find the prime factorization of 7938
7938 = 2 × 3 × 3 × 3 × 3 × 7 × 7 - Find the prime factorization of 2397
2397 = 3 × 17 × 47 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 3
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).