GCF of 857/643, 691/813
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 857/643, 691/813 i.e 1/522759 easily. The following is the detailed procedure to determine the greatest common factor of fractions 857/643, 691/813.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
What is the GCF of 857/643,691/813?
Given fractions are 857/643,691/813
To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by
GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators
In the fractions 857/643,691/813, numerators are 857,691
Denominators are 643,813
The GCF of 857,691 is 1 .
LCM of 643,813 is 522759.
The greatest common factor of 857/643,691/813 = [GCF of 857,691]/[LCM of 643,813]= 1/522759
Therefore, the GCF of 857/643,691/813 is 1/522759.
To find the highest common factor of 857,691, we have to find the factors of both numbers and list the highest common factor.
The factors of 857 are 1, 857
The factors of 691 are 1, 691
The HCF of 857,691 is 1.
Lets's calculate GCF of 857,691
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 857,691 By Matching Biggest Common Factor Method
Now, list down the factors of 857
:1,857
Now, list down the factors of 691
:1,691
Greatest Common Factor
We found the factors 857,691 . The biggest common factor number is the GCF number.
So the greatest common factor 857,691 is 1.
Lets's calculate LCM of 643,813
Given numbers has no common factors except 1. So, there LCM is their product i.e 522759
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/522759
Therefore, the GCF of Fractions 857/643,691/813 is 1/522759
Least Common Multiple of 643,813 with GCF Formula
The formula of LCM is LCM(a1,a2,a3....,an) = ( a1 × a2 × a3 × .... × an) / GCF(a1,a2,a3....,an) x common factors(if more than 2 numbers have common factors).
We need to calculate greatest common factor of 643,813 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(643,813) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(643,813) x common factors =1 x 1 = 1
LCM(643,813) = ( 643 × 813 ) / 1
LCM(643,813) = 522759 / 1
LCM(643,813) = 522759
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FAQs on GCF of Fractions of 857/643, 691/813
1. What is the HCF of 857,691?
The HCF of 857,691 is 1
2. What is the GCF of a fraction?
The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.
3. How to find GCF in Fractions?
Answer: GCF of fractions can be found using the simple formula GCF of Fractions = GCF of Numerators/LCM of Denominators.
4. What is the GCF of Fractions for 857/643, 691/813?
Answer: GCF of Numerators as per given numbers 857/643, 691/813 is
GCF of Numerators i.e. for 857,691 is 1
LCM of denominators i.e. for 643,813 is 522759.
Thus, GCF of Fractions is 1/522759.Finally, GCF of Fractions for 857/643, 691/813 is 1/522759.