What is the GCF of 1891 and 1680?
The GCF of 1891 and 1680 is 1.
Steps to find GCF
- Find the prime factorization of 1891
1891 = 31 × 61 - Find the prime factorization of 1680
1680 = 2 × 2 × 2 × 2 × 3 × 5 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Note that there are no common prime factors. - Therefore, GCF = 1 (since 1 is a factor of every number)
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Find HCF of: 3782 & 3360 5673 & 5040 9455 & 8400 3782 & 1680 1891 & 3360 5673 & 1680 1891 & 5040 9455 & 1680 1891 & 8400
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).