GCF of 691/638, 1440/2231
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 691/638, 1440/2231 i.e 1/1423378 easily. The following is the detailed procedure to determine the greatest common factor of fractions 691/638, 1440/2231.
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 691/638,1440/2231?
Given fractions are 691/638,1440/2231
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 691/638,1440/2231, numerators are 691,1440
Denominators are 638,2231
The GCF of 691,1440 is 1 .
LCM of 638,2231 is 1423378.
The greatest common factor of 691/638,1440/2231 = [GCF of 691,1440]/[LCM of 638,2231]= 1/1423378
Therefore, the GCF of 691/638,1440/2231 is 1/1423378.
To find the highest common factor of 691,1440, we have to find the factors of both numbers and list the highest common factor.
The factors of 691 are 1, 691
The factors of 1440 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440
The HCF of 691,1440 is 1.
Lets's calculate GCF of 691,1440
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 691,1440 By Matching Biggest Common Factor Method
Now, list down the factors of 691
:1,691
Now, list down the factors of 1440
:1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,32,36,40,45,48,60,72,80,90,96,120,144,160,180,240,288,360,480,720,1440
Greatest Common Factor
We found the factors 691,1440 . The biggest common factor number is the GCF number.
So the greatest common factor 691,1440 is 1.
Lets's calculate LCM of 638,2231
Given numbers has no common factors except 1. So, there LCM is their product i.e 1423378
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1423378
Therefore, the GCF of Fractions 691/638,1440/2231 is 1/1423378
Least Common Multiple of 638,2231 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 638,2231 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(638,2231) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(638,2231) x common factors =1 x 1 = 1
LCM(638,2231) = ( 638 × 2231 ) / 1
LCM(638,2231) = 1423378 / 1
LCM(638,2231) = 1423378
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FAQs on GCF of Fractions of 691/638, 1440/2231
1. What is the HCF of 691,1440?
The HCF of 691,1440 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 691/638, 1440/2231?
Answer: GCF of Numerators as per given numbers 691/638, 1440/2231 is
GCF of Numerators i.e. for 691,1440 is 1
LCM of denominators i.e. for 638,2231 is 1423378.
Thus, GCF of Fractions is 1/1423378.Finally, GCF of Fractions for 691/638, 1440/2231 is 1/1423378.