GCF of 689/79, 440/320
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 689/79, 440/320 i.e 1/25280 easily. The following is the detailed procedure to determine the greatest common factor of fractions 689/79, 440/320.
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 689/79,440/320?
Given fractions are 689/79,440/320
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 689/79,440/320, numerators are 689,440
Denominators are 79,320
The GCF of 689,440 is 1 .
LCM of 79,320 is 25280.
The greatest common factor of 689/79,440/320 = [GCF of 689,440]/[LCM of 79,320]= 1/25280
Therefore, the GCF of 689/79,440/320 is 1/25280.
To find the highest common factor of 689,440, we have to find the factors of both numbers and list the highest common factor.
The factors of 689 are 1, 13, 53, 689
The factors of 440 are 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440
The HCF of 689,440 is 1.
Lets's calculate GCF of 689,440
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 689,440 By Matching Biggest Common Factor Method
Now, list down the factors of 689
:1,13,53,689
Now, list down the factors of 440
:1,2,4,5,8,10,11,20,22,40,44,55,88,110,220,440
Greatest Common Factor
We found the factors 689,440 . The biggest common factor number is the GCF number.
So the greatest common factor 689,440 is 1.
Lets's calculate LCM of 79,320
Given numbers has no common factors except 1. So, there LCM is their product i.e 25280
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/25280
Therefore, the GCF of Fractions 689/79,440/320 is 1/25280
Least Common Multiple of 79,320 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 79,320 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(79,320) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(79,320) x common factors =1 x 1 = 1
LCM(79,320) = ( 79 × 320 ) / 1
LCM(79,320) = 25280 / 1
LCM(79,320) = 25280
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FAQs on GCF of Fractions of 689/79, 440/320
1. What is the HCF of 689,440?
The HCF of 689,440 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 689/79, 440/320?
Answer: GCF of Numerators as per given numbers 689/79, 440/320 is
GCF of Numerators i.e. for 689,440 is 1
LCM of denominators i.e. for 79,320 is 25280.
Thus, GCF of Fractions is 1/25280.Finally, GCF of Fractions for 689/79, 440/320 is 1/25280.