GCF of 840/15, 421/173
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 840/15, 421/173 i.e 1/2595 easily. The following is the detailed procedure to determine the greatest common factor of fractions 840/15, 421/173.
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 840/15,421/173?
Given fractions are 840/15,421/173
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 840/15,421/173, numerators are 840,421
Denominators are 15,173
The GCF of 840,421 is 1 .
LCM of 15,173 is 2595.
The greatest common factor of 840/15,421/173 = [GCF of 840,421]/[LCM of 15,173]= 1/2595
Therefore, the GCF of 840/15,421/173 is 1/2595.
To find the highest common factor of 840,421, we have to find the factors of both numbers and list the highest common factor.
The factors of 840 are 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
The factors of 421 are 1, 421
The HCF of 840,421 is 1.
Lets's calculate GCF of 840,421
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 840,421 By Matching Biggest Common Factor Method
Now, list down the factors of 840
:1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840
Now, list down the factors of 421
:1,421
Greatest Common Factor
We found the factors 840,421 . The biggest common factor number is the GCF number.
So the greatest common factor 840,421 is 1.
Lets's calculate LCM of 15,173
Given numbers has no common factors except 1. So, there LCM is their product i.e 2595
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/2595
Therefore, the GCF of Fractions 840/15,421/173 is 1/2595
Least Common Multiple of 15,173 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 15,173 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(15,173) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(15,173) x common factors =1 x 1 = 1
LCM(15,173) = ( 15 × 173 ) / 1
LCM(15,173) = 2595 / 1
LCM(15,173) = 2595
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FAQs on GCF of Fractions of 840/15, 421/173
1. What is the HCF of 840,421?
The HCF of 840,421 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 840/15, 421/173?
Answer: GCF of Numerators as per given numbers 840/15, 421/173 is
GCF of Numerators i.e. for 840,421 is 1
LCM of denominators i.e. for 15,173 is 2595.
Thus, GCF of Fractions is 1/2595.Finally, GCF of Fractions for 840/15, 421/173 is 1/2595.