Solutions by » GCF of two numbers

What is the GCF of 983 and 40?

The GCF of 983 and 40 is 1.

Steps to find GCF

  1. Find the prime factorization of 983
    983 = 983
  2. Find the prime factorization of 40
    40 = 2 × 2 × 2 × 5
  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).