GCF of 402/921, 3819/687
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 402/921, 3819/687 i.e 201/210909 easily. The following is the detailed procedure to determine the greatest common factor of fractions 402/921, 3819/687.
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 402/921,3819/687?
Given fractions are 402/921,3819/687
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 402/921,3819/687, numerators are 402,3819
Denominators are 921,687
The GCF of 402,3819 is 201 .
LCM of 921,687 is 210909.
The greatest common factor of 402/921,3819/687 = [GCF of 402,3819]/[LCM of 921,687]= 201/210909
Therefore, the GCF of 402/921,3819/687 is 201/210909.
To find the highest common factor of 402,3819, we have to find the factors of both numbers and list the highest common factor.
The factors of 402 are 1, 2, 3, 6, 67, 134, 201, 402
The factors of 3819 are 1, 3, 19, 57, 67, 201, 1273, 3819
The HCF of 402,3819 is 201.
Lets's calculate GCF of 402,3819
| 3 | 402, 3819 |
| 67 | 134, 1273 |
| 2, 19 |
∴ So the GCF of the given numbers is 3 x 67 = 201
Greatest Common Factor of 402,3819 By Matching Biggest Common Factor Method
Now, list down the factors of 402
:1,2,3,6,67,134,201,402
Now, list down the factors of 3819
:1,3,19,57,67,201,1273,3819
Greatest Common Factor
We found the factors 402,3819 . The biggest common factor number is the GCF number.
So the greatest common factor 402,3819 is 201.
Lets's calculate LCM of 921,687
| 3 | 921, 687 |
| 307, 229 |
∴ So the LCM of the given numbers is 3 x 307 x 229 = 210909
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 201/210909
Therefore, the GCF of Fractions 402/921,3819/687 is 201/210909
Least Common Multiple of 921,687 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 921,687 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(921,687) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(921,687) x common factors =3 x 1 = 3
LCM(921,687) = ( 921 × 687 ) / 3
LCM(921,687) = 632727 / 3
LCM(921,687) = 210909
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FAQs on GCF of Fractions of 402/921, 3819/687
1. What is the HCF of 402,3819?
The HCF of 402,3819 is 201
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 402/921, 3819/687?
Answer: GCF of Numerators as per given numbers 402/921, 3819/687 is
GCF of Numerators i.e. for 402,3819 is 201
LCM of denominators i.e. for 921,687 is 210909.
Thus, GCF of Fractions is 201/210909.Finally, GCF of Fractions for 402/921, 3819/687 is 201/210909.