Solutions by » GCF of two numbers

What is the GCF of 875 and 4861?

The GCF of 875 and 4861 is 1.

Steps to find GCF

  1. Find the prime factorization of 875
    875 = 5 × 5 × 5 × 7
  2. Find the prime factorization of 4861
    4861 = 4861
  3. To find the GCF, multiply all the prime factors common to both numbers:

    Note that there are no common prime factors.
  4. Therefore, GCF = 1 (since 1 is a factor of every number)

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