GCF of 724/402, 4920/686
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 724/402, 4920/686 i.e 4/137886 easily. The following is the detailed procedure to determine the greatest common factor of fractions 724/402, 4920/686.
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 724/402,4920/686?
Given fractions are 724/402,4920/686
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 724/402,4920/686, numerators are 724,4920
Denominators are 402,686
The GCF of 724,4920 is 4 .
LCM of 402,686 is 137886.
The greatest common factor of 724/402,4920/686 = [GCF of 724,4920]/[LCM of 402,686]= 4/137886
Therefore, the GCF of 724/402,4920/686 is 4/137886.
To find the highest common factor of 724,4920, we have to find the factors of both numbers and list the highest common factor.
The factors of 724 are 1, 2, 4, 181, 362, 724
The factors of 4920 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920
The HCF of 724,4920 is 4.
Lets's calculate GCF of 724,4920
| 2 | 724, 4920 |
| 2 | 362, 2460 |
| 181, 1230 |
∴ So the GCF of the given numbers is 2 x 2 = 4
Greatest Common Factor of 724,4920 By Matching Biggest Common Factor Method
Now, list down the factors of 724
:1,2,4,181,362,724
Now, list down the factors of 4920
:1,2,3,4,5,6,8,10,12,15,20,24,30,40,41,60,82,120,123,164,205,246,328,410,492,615,820,984,1230,1640,2460,4920
Greatest Common Factor
We found the factors 724,4920 . The biggest common factor number is the GCF number.
So the greatest common factor 724,4920 is 4.
Lets's calculate LCM of 402,686
| 2 | 402, 686 |
| 201, 343 |
∴ So the LCM of the given numbers is 2 x 201 x 343 = 137886
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/137886
Therefore, the GCF of Fractions 724/402,4920/686 is 4/137886
Least Common Multiple of 402,686 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 402,686 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(402,686) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(402,686) x common factors =2 x 1 = 2
LCM(402,686) = ( 402 × 686 ) / 2
LCM(402,686) = 275772 / 2
LCM(402,686) = 137886
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FAQs on GCF of Fractions of 724/402, 4920/686
1. What is the HCF of 724,4920?
The HCF of 724,4920 is 4
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 724/402, 4920/686?
Answer: GCF of Numerators as per given numbers 724/402, 4920/686 is
GCF of Numerators i.e. for 724,4920 is 4
LCM of denominators i.e. for 402,686 is 137886.
Thus, GCF of Fractions is 4/137886.Finally, GCF of Fractions for 724/402, 4920/686 is 4/137886.