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What is the GCF of 1430 and 245?

The GCF of 1430 and 245 is 5.

Steps to find GCF

  1. Find the prime factorization of 1430
    1430 = 2 × 5 × 11 × 13
  2. Find the prime factorization of 245
    245 = 5 × 7 × 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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