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What is the GCF of 639 and 5667?

The GCF of 639 and 5667 is 3.

Steps to find GCF

  1. Find the prime factorization of 639
    639 = 3 × 3 × 71
  2. Find the prime factorization of 5667
    5667 = 3 × 1889
  3. 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).

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