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What is the GCF of 3120 and 1920?

The GCF of 3120 and 1920 is 240.

Steps to find GCF

  1. Find the prime factorization of 3120
    3120 = 2 × 2 × 2 × 2 × 3 × 5 × 13
  2. Find the prime factorization of 1920
    1920 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5
  3. To find the GCF, multiply all the prime factors common to both numbers:

    Therefore, GCF = 2 × 2 × 2 × 2 × 3 × 5
  4. GCF = 240

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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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