Solutions by » GCF of two numbers

What is the GCF of 2485 and 3778?

The GCF of 2485 and 3778 is 1.

Steps to find GCF

  1. Find the prime factorization of 2485
    2485 = 5 × 7 × 71
  2. Find the prime factorization of 3778
    3778 = 2 × 1889
  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).