What is the GCF of 1716 and 686?
The GCF of 1716 and 686 is 2.
Steps to find GCF
- Find the prime factorization of 1716
1716 = 2 × 2 × 3 × 11 × 13 - Find the prime factorization of 686
686 = 2 × 7 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2
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GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).