GCF of 805/385, 917/649
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 805/385, 917/649 i.e 7/22715 easily. The following is the detailed procedure to determine the greatest common factor of fractions 805/385, 917/649.
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 805/385,917/649?
Given fractions are 805/385,917/649
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 805/385,917/649, numerators are 805,917
Denominators are 385,649
The GCF of 805,917 is 7 .
LCM of 385,649 is 22715.
The greatest common factor of 805/385,917/649 = [GCF of 805,917]/[LCM of 385,649]= 7/22715
Therefore, the GCF of 805/385,917/649 is 7/22715.
To find the highest common factor of 805,917, we have to find the factors of both numbers and list the highest common factor.
The factors of 805 are 1, 5, 7, 23, 35, 115, 161, 805
The factors of 917 are 1, 7, 131, 917
The HCF of 805,917 is 7.
Lets's calculate GCF of 805,917
| 7 | 805, 917 |
| 115, 131 |
∴ So the GCF of the given numbers is 7 = 7
Greatest Common Factor of 805,917 By Matching Biggest Common Factor Method
Now, list down the factors of 805
:1,5,7,23,35,115,161,805
Now, list down the factors of 917
:1,7,131,917
Greatest Common Factor
We found the factors 805,917 . The biggest common factor number is the GCF number.
So the greatest common factor 805,917 is 7.
Lets's calculate LCM of 385,649
| 11 | 385, 649 |
| 35, 59 |
∴ So the LCM of the given numbers is 11 x 35 x 59 = 22715
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 7/22715
Therefore, the GCF of Fractions 805/385,917/649 is 7/22715
Least Common Multiple of 385,649 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 385,649 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(385,649) = 11
common factors(in case of two or more numbers have common factors) = 1
GCF(385,649) x common factors =11 x 1 = 11
LCM(385,649) = ( 385 × 649 ) / 11
LCM(385,649) = 249865 / 11
LCM(385,649) = 22715
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FAQs on GCF of Fractions of 805/385, 917/649
1. What is the HCF of 805,917?
The HCF of 805,917 is 7
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 805/385, 917/649?
Answer: GCF of Numerators as per given numbers 805/385, 917/649 is
GCF of Numerators i.e. for 805,917 is 7
LCM of denominators i.e. for 385,649 is 22715.
Thus, GCF of Fractions is 7/22715.Finally, GCF of Fractions for 805/385, 917/649 is 7/22715.