Greatest Common Factor of 872/83, 1290/670

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 872/83, 1290/670

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 872/83,1290/670

Given fractions are 872/83,1290/670

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 872,1290

Greatest Common Factor of Numerators i.e. GCF of 872,1290 is 2 .

LCM of Denominators means LCM of 83,670 as per the given fractions.

LCM of 83,670 is 55610 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 872,1290

GCF of Fractions 872/83,1290/670 is 2/55610

2 872, 1290
436, 645

∴ So the GCF of the given numbers is 2 = 2

Greatest Common Factor of 872,1290 By Matching Biggest Common Factor Method

Greatest Common Factor of 872,1290 By Matching Biggest Common Factor Method

Factors of 872

List of positive integer factors of 872 that divides 872 without a remainder.

1,2,4,8,109,218,436,872

Factors of 1290

List of positive integer factors of 1290 that divides 1290 without a remainder.

1,2,3,5,6,10,15,30,43,86,129,215,258,430,645,1290

Greatest Common Factor

We found the factors 872,1290 . The biggest common factor number is the GCF number.
So the greatest common factor 872,1290 is 2.


Lets's calculate LCM of 83,670

Given numbers has no common factors except 1. So, there LCM is their product i.e 55610

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/55610

Therefore, the GCF of Fractions 872/83,1290/670 is 2/55610

Least Common Multiple of 83,670 with GCF Formula

Least Common Multiple of 83,670 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 83,670 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(83,670) = 1

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

GCF(83,670) x common factors =1 x 1 = 1

LCM(83,670) = ( 83 × 670 ) / 1

LCM(83,670) = 55610 / 1

LCM(83,670) = 55610


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 872/83, 1290/670

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 872/83, 1290/670?

Answer: GCF of Numerators as per given numbers 872/83, 1290/670 is

GCF of Numerators i.e. for 872,1290 is 2

LCM of denominators i.e. for 83,670 is 55610.

Thus, GCF of Fractions is 2/55610.Finally, GCF of Fractions for 872/83, 1290/670 is 2/55610.