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What is the GCF of 91 and 875?

The gcf of 91 and 875 is 7.

Steps to find GCF

  1. Find the prime factorization of 91
    91 = 7 × 13
  2. Find the prime factorization of 875
    875 = 5 × 5 × 5 × 7
  3. To find the gcf, multiply all the prime factors common to both numbers:

    Therefore, GCF = 7

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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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