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What is the GCF of 702 and 2430?

The GCF of 702 and 2430 is 54.

Steps to find GCF

  1. Find the prime factorization of 702
    702 = 2 × 3 × 3 × 3 × 13
  2. Find the prime factorization of 2430
    2430 = 2 × 3 × 3 × 3 × 3 × 3 × 5
  3. To find the GCF, multiply all the prime factors common to both numbers:

    Therefore, GCF = 2 × 3 × 3 × 3
  4. GCF = 54

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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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