Solutions by » GCF of two numbers

What is the GCF of 1066 and 2353?

The GCF of 1066 and 2353 is 13.

Steps to find GCF

  1. Find the prime factorization of 1066
    1066 = 2 × 13 × 41
  2. Find the prime factorization of 2353
    2353 = 13 × 181
  3. To find the GCF, multiply all the prime factors common to both numbers:

    Therefore, GCF = 13

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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).