What is the GCF of 7742 and 7839?
The GCF of 7742 and 7839 is 1.
Steps to find GCF
- Find the prime factorization of 7742
7742 = 2 × 7 × 7 × 79
- Find the prime factorization of 7839
7839 = 3 × 3 × 13 × 67
- To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 1
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).