GCF of 806/74, 921/780
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 806/74, 921/780 i.e 1/28860 easily. The following is the detailed procedure to determine the greatest common factor of fractions 806/74, 921/780.
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 806/74,921/780?
Given fractions are 806/74,921/780
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 806/74,921/780, numerators are 806,921
Denominators are 74,780
The GCF of 806,921 is 1 .
LCM of 74,780 is 28860.
The greatest common factor of 806/74,921/780 = [GCF of 806,921]/[LCM of 74,780]= 1/28860
Therefore, the GCF of 806/74,921/780 is 1/28860.
To find the highest common factor of 806,921, we have to find the factors of both numbers and list the highest common factor.
The factors of 806 are 1, 2, 13, 26, 31, 62, 403, 806
The factors of 921 are 1, 3, 307, 921
The HCF of 806,921 is 1.
Lets's calculate GCF of 806,921
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 806,921 By Matching Biggest Common Factor Method
Now, list down the factors of 806
:1,2,13,26,31,62,403,806
Now, list down the factors of 921
:1,3,307,921
Greatest Common Factor
We found the factors 806,921 . The biggest common factor number is the GCF number.
So the greatest common factor 806,921 is 1.
Lets's calculate LCM of 74,780
| 2 | 74, 780 |
| 37, 390 |
∴ So the LCM of the given numbers is 2 x 37 x 390 = 28860
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/28860
Therefore, the GCF of Fractions 806/74,921/780 is 1/28860
Least Common Multiple of 74,780 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 74,780 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(74,780) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(74,780) x common factors =2 x 1 = 2
LCM(74,780) = ( 74 × 780 ) / 2
LCM(74,780) = 57720 / 2
LCM(74,780) = 28860
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FAQs on GCF of Fractions of 806/74, 921/780
1. What is the HCF of 806,921?
The HCF of 806,921 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 806/74, 921/780?
Answer: GCF of Numerators as per given numbers 806/74, 921/780 is
GCF of Numerators i.e. for 806,921 is 1
LCM of denominators i.e. for 74,780 is 28860.
Thus, GCF of Fractions is 1/28860.Finally, GCF of Fractions for 806/74, 921/780 is 1/28860.