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What is the GCF of 3648 and 3919?

The GCF of 3648 and 3919 is 1.

Steps to find GCF

  1. Find the prime factorization of 3648
    3648 = 2 × 2 × 2 × 2 × 2 × 2 × 3 × 19
  2. Find the prime factorization of 3919
    3919 = 3919
  3. To find the GCF, multiply all the prime factors common to both numbers:

    Note that there are no common prime factors.
  4. Therefore, GCF = 1 (since 1 is a factor of every number)

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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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