Greatest Common Factor of 19/21, 853/37, 721/554

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of 19/21, 853/37, 721/554

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

GCF of:

Greatest Common Factor of 19/21,853/37,721/554

Given fractions are 19/21,853/37,721/554

Formula to find GCF of Fractions is

GCF = GCF of Numerators/LCM of Denominators

As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators

In the given fractions GCF of Numerators means GCF of 19,853,721

Greatest Common Factor of Numerators i.e. GCF of 19,853,721 is 1 .

LCM of Denominators means LCM of 21,37,554 as per the given fractions.

LCM of 21,37,554 is 430458 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 19,853,721

GCF of Fractions 19/21,853/37,721/554 is 1/430458

∴ So GCF of numbers is 1 because of no common factors present between them.

Greatest Common Factor of 19,853,721 By Matching Biggest Common Factor Method

Greatest Common Factor of 19,853,721 By Matching Biggest Common Factor Method

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 853

List of positive integer factors of 853 that divides 853 without a remainder.

1,853

Factors of 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Greatest Common Factor

We found the factors 19,853,721 . The biggest common factor number is the GCF number.
So the greatest common factor 19,853,721 is 1.

Lets's calculate LCM of 21,37,554

Given numbers has no common factors except 1. So, there LCM is their product i.e 430458

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/430458

Therefore, the GCF of Fractions 19/21,853/37,721/554 is 1/430458

Least Common Multiple of 21,37,554 with GCF Formula

Least Common Multiple of 21,37,554 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 21,37,554 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(21,37,554) = 1

common factors(in case of two or more numbers have common factors) = 1

GCF(21,37,554) x common factors =1 x 1 = 1

LCM(21,37,554) = ( 21 × 37 × 554 ) / 1

LCM(21,37,554) = 430458 / 1

LCM(21,37,554) = 430458


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

Frequently Asked Questions on Fractional GCF of 19/21, 853/37, 721/554

1. 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.

2. What is the GCF of Fractions for 19/21, 853/37, 721/554?

Answer: GCF of Numerators as per given numbers 19/21, 853/37, 721/554 is

GCF of Numerators i.e. for 19,853,721 is 1

LCM of denominators i.e. for 21,37,554 is 430458.

Thus, GCF of Fractions is 1/430458.Finally, GCF of Fractions for 19/21, 853/37, 721/554 is 1/430458.