GCF of 851/78, 917/2715
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 851/78, 917/2715 i.e 1/70590 easily. The following is the detailed procedure to determine the greatest common factor of fractions 851/78, 917/2715.
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 851/78,917/2715?
Given fractions are 851/78,917/2715
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 851/78,917/2715, numerators are 851,917
Denominators are 78,2715
The GCF of 851,917 is 1 .
LCM of 78,2715 is 70590.
The greatest common factor of 851/78,917/2715 = [GCF of 851,917]/[LCM of 78,2715]= 1/70590
Therefore, the GCF of 851/78,917/2715 is 1/70590.
To find the highest common factor of 851,917, we have to find the factors of both numbers and list the highest common factor.
The factors of 851 are 1, 23, 37, 851
The factors of 917 are 1, 7, 131, 917
The HCF of 851,917 is 1.
Lets's calculate GCF of 851,917
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 851,917 By Matching Biggest Common Factor Method
Now, list down the factors of 851
:1,23,37,851
Now, list down the factors of 917
:1,7,131,917
Greatest Common Factor
We found the factors 851,917 . The biggest common factor number is the GCF number.
So the greatest common factor 851,917 is 1.
Lets's calculate LCM of 78,2715
| 3 | 78, 2715 |
| 26, 905 |
∴ So the LCM of the given numbers is 3 x 26 x 905 = 70590
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/70590
Therefore, the GCF of Fractions 851/78,917/2715 is 1/70590
Least Common Multiple of 78,2715 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 78,2715 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(78,2715) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(78,2715) x common factors =3 x 1 = 3
LCM(78,2715) = ( 78 × 2715 ) / 3
LCM(78,2715) = 211770 / 3
LCM(78,2715) = 70590
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FAQs on GCF of Fractions of 851/78, 917/2715
1. What is the HCF of 851,917?
The HCF of 851,917 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 851/78, 917/2715?
Answer: GCF of Numerators as per given numbers 851/78, 917/2715 is
GCF of Numerators i.e. for 851,917 is 1
LCM of denominators i.e. for 78,2715 is 70590.
Thus, GCF of Fractions is 1/70590.Finally, GCF of Fractions for 851/78, 917/2715 is 1/70590.