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What is the GCF of 503 and 425?

The GCF of 503 and 425 is 1.

Steps to find GCF

  1. Find the prime factorization of 503
    503 = 503
  2. Find the prime factorization of 425
    425 = 5 × 5 × 17
  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).

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