GCF of 771/17, 405/9870
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 771/17, 405/9870 i.e 3/167790 easily. The following is the detailed procedure to determine the greatest common factor of fractions 771/17, 405/9870.
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 771/17,405/9870?
Given fractions are 771/17,405/9870
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 771/17,405/9870, numerators are 771,405
Denominators are 17,9870
The GCF of 771,405 is 3 .
LCM of 17,9870 is 167790.
The greatest common factor of 771/17,405/9870 = [GCF of 771,405]/[LCM of 17,9870]= 3/167790
Therefore, the GCF of 771/17,405/9870 is 3/167790.
To find the highest common factor of 771,405, we have to find the factors of both numbers and list the highest common factor.
The factors of 771 are 1, 3, 257, 771
The factors of 405 are 1, 3, 5, 9, 15, 27, 45, 81, 135, 405
The HCF of 771,405 is 3.
Lets's calculate GCF of 771,405
| 3 | 771, 405 |
| 257, 135 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 771,405 By Matching Biggest Common Factor Method
Now, list down the factors of 771
:1,3,257,771
Now, list down the factors of 405
:1,3,5,9,15,27,45,81,135,405
Greatest Common Factor
We found the factors 771,405 . The biggest common factor number is the GCF number.
So the greatest common factor 771,405 is 3.
Lets's calculate LCM of 17,9870
Given numbers has no common factors except 1. So, there LCM is their product i.e 167790
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/167790
Therefore, the GCF of Fractions 771/17,405/9870 is 3/167790
Least Common Multiple of 17,9870 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 17,9870 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(17,9870) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(17,9870) x common factors =1 x 1 = 1
LCM(17,9870) = ( 17 × 9870 ) / 1
LCM(17,9870) = 167790 / 1
LCM(17,9870) = 167790
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FAQs on GCF of Fractions of 771/17, 405/9870
1. What is the HCF of 771,405?
The HCF of 771,405 is 3
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 771/17, 405/9870?
Answer: GCF of Numerators as per given numbers 771/17, 405/9870 is
GCF of Numerators i.e. for 771,405 is 3
LCM of denominators i.e. for 17,9870 is 167790.
Thus, GCF of Fractions is 3/167790.Finally, GCF of Fractions for 771/17, 405/9870 is 3/167790.