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What is the GCF of 7557 and 6480?

The GCF of 7557 and 6480 is 3.

Steps to find GCF

  1. Find the prime factorization of 7557
    7557 = 3 × 11 × 229
  2. Find the prime factorization of 6480
    6480 = 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5
  3. To find the GCF, multiply all the prime factors common to both numbers:

    Therefore, GCF = 3

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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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