Solutions by » GCF of two numbers

What is the GCF of 125 and 5555?

The GCF of 125 and 5555 is 5.

Steps to find GCF

  1. Find the prime factorization of 125
    125 = 5 × 5 × 5
  2. Find the prime factorization of 5555
    5555 = 5 × 11 × 101
  3. To find the GCF, multiply all the prime factors common to both numbers:

    Therefore, GCF = 5

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