Solutions by » GCF of two numbers

What is the GCF of 109 and 2058?

The GCF of 109 and 2058 is 1.

Steps to find GCF

  1. Find the prime factorization of 109
    109 = 109
  2. Find the prime factorization of 2058
    2058 = 2 × 3 × 7 × 7 × 7
  3. To find the GCF, multiply all the prime factors common to both numbers:

    Therefore, GCF = 1

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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).