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What is the GCF of 1622 and 7842?

The GCF of 1622 and 7842 is 2.

Steps to find GCF

  1. Find the prime factorization of 1622
    1622 = 2 × 811
  2. Find the prime factorization of 7842
    7842 = 2 × 3 × 1307
  3. To find the GCF, multiply all the prime factors common to both numbers:

    Therefore, GCF = 2

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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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