What is the GCF of 399 and 7072?
The GCF of 399 and 7072 is 1.
Steps to find GCF
- Find the prime factorization of 399
399 = 3 × 7 × 19 - Find the prime factorization of 7072
7072 = 2 × 2 × 2 × 2 × 2 × 13 × 17 - To find the GCF, multiply all the prime factors common to both numbers:
Note that there are no common prime factors. - Therefore, GCF = 1 (since 1 is a factor of every number)
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).