What is the GCF of 1680 and 2181?
The GCF of 1680 and 2181 is 3.
Steps to find GCF
- Find the prime factorization of 1680
1680 = 2 × 2 × 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 2181
2181 = 3 × 727 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 3
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Find HCF of: 3360 & 4362 5040 & 6543 560 & 727 3360 & 2181 1680 & 4362 5040 & 2181 1680 & 6543 8400 & 2181
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).