Solutions by » GCF of two numbers

What is the GCF of 805 and 6299?

The GCF of 805 and 6299 is 1.

Steps to find GCF

  1. Find the prime factorization of 805
    805 = 5 × 7 × 23
  2. Find the prime factorization of 6299
    6299 = 6299
  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).