GCF of 415/638, 1891/617
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 415/638, 1891/617 i.e 1/393646 easily. The following is the detailed procedure to determine the greatest common factor of fractions 415/638, 1891/617.
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 415/638,1891/617?
Given fractions are 415/638,1891/617
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 415/638,1891/617, numerators are 415,1891
Denominators are 638,617
The GCF of 415,1891 is 1 .
LCM of 638,617 is 393646.
The greatest common factor of 415/638,1891/617 = [GCF of 415,1891]/[LCM of 638,617]= 1/393646
Therefore, the GCF of 415/638,1891/617 is 1/393646.
To find the highest common factor of 415,1891, we have to find the factors of both numbers and list the highest common factor.
The factors of 415 are 1, 5, 83, 415
The factors of 1891 are 1, 31, 61, 1891
The HCF of 415,1891 is 1.
Lets's calculate GCF of 415,1891
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 415,1891 By Matching Biggest Common Factor Method
Now, list down the factors of 415
:1,5,83,415
Now, list down the factors of 1891
:1,31,61,1891
Greatest Common Factor
We found the factors 415,1891 . The biggest common factor number is the GCF number.
So the greatest common factor 415,1891 is 1.
Lets's calculate LCM of 638,617
Given numbers has no common factors except 1. So, there LCM is their product i.e 393646
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/393646
Therefore, the GCF of Fractions 415/638,1891/617 is 1/393646
Least Common Multiple of 638,617 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 638,617 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(638,617) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(638,617) x common factors =1 x 1 = 1
LCM(638,617) = ( 638 × 617 ) / 1
LCM(638,617) = 393646 / 1
LCM(638,617) = 393646
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FAQs on GCF of Fractions of 415/638, 1891/617
1. What is the HCF of 415,1891?
The HCF of 415,1891 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 415/638, 1891/617?
Answer: GCF of Numerators as per given numbers 415/638, 1891/617 is
GCF of Numerators i.e. for 415,1891 is 1
LCM of denominators i.e. for 638,617 is 393646.
Thus, GCF of Fractions is 1/393646.Finally, GCF of Fractions for 415/638, 1891/617 is 1/393646.