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What is the GCF of 1370 and 8505?

The GCF of 1370 and 8505 is 5.

Steps to find GCF

  1. Find the prime factorization of 1370
    1370 = 2 × 5 × 137
  2. Find the prime factorization of 8505
    8505 = 3 × 3 × 3 × 3 × 3 × 5 × 7
  3. To find the GCF, multiply all the prime factors common to both numbers:

    Therefore, GCF = 5

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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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