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What is the GCF of 940 and 720?

The gcf of 940 and 720 is 20.

Steps to find GCF

  1. Find the prime factorization of 940
    940 = 2 × 2 × 5 × 47
  2. Find the prime factorization of 720
    720 = 2 × 2 × 2 × 2 × 3 × 3 × 5
  3. To find the gcf, multiply all the prime factors common to both numbers:

    Therefore, GCF = 2 × 2 × 5
  4. GCF = 20

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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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