Solutions by » GCF of two numbers

What is the GCF of 485 and 150?

The GCF of 485 and 150 is 5.

Steps to find GCF

  1. Find the prime factorization of 485
    485 = 5 × 97
  2. Find the prime factorization of 150
    150 = 2 × 3 × 5 × 5
  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).