What is the GCF of 1686 and 9800?
The GCF of 1686 and 9800 is 2.
Steps to find GCF
- Find the prime factorization of 1686
1686 = 2 × 3 × 281 - Find the prime factorization of 9800
9800 = 2 × 2 × 2 × 5 × 5 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).