Greatest Common Factor of 864/66, 1420/644

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 864/66, 1420/644

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 864/66,1420/644

Given fractions are 864/66,1420/644

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 864,1420

Greatest Common Factor of Numerators i.e. GCF of 864,1420 is 4 .

LCM of Denominators means LCM of 66,644 as per the given fractions.

LCM of 66,644 is 21252 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 864,1420

GCF of Fractions 864/66,1420/644 is 4/21252

2 864, 1420
2 432, 710
216, 355

∴ So the GCF of the given numbers is 2 x 2 = 4

Greatest Common Factor of 864,1420 By Matching Biggest Common Factor Method

Greatest Common Factor of 864,1420 By Matching Biggest Common Factor Method

Factors of 864

List of positive integer factors of 864 that divides 864 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,27,32,36,48,54,72,96,108,144,216,288,432,864

Factors of 1420

List of positive integer factors of 1420 that divides 1420 without a remainder.

1,2,4,5,10,20,71,142,284,355,710,1420

Greatest Common Factor

We found the factors 864,1420 . The biggest common factor number is the GCF number.
So the greatest common factor 864,1420 is 4.


Lets's calculate LCM of 66,644

2 66, 644
33, 322

∴ So the LCM of the given numbers is 2 x 33 x 322 = 21252

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/21252

Therefore, the GCF of Fractions 864/66,1420/644 is 4/21252

Least Common Multiple of 66,644 with GCF Formula

Least Common Multiple of 66,644 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 66,644 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(66,644) = 2

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

GCF(66,644) x common factors =2 x 1 = 2

LCM(66,644) = ( 66 × 644 ) / 2

LCM(66,644) = 42504 / 2

LCM(66,644) = 21252


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 864/66, 1420/644

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 864/66, 1420/644?

Answer: GCF of Numerators as per given numbers 864/66, 1420/644 is

GCF of Numerators i.e. for 864,1420 is 4

LCM of denominators i.e. for 66,644 is 21252.

Thus, GCF of Fractions is 4/21252.Finally, GCF of Fractions for 864/66, 1420/644 is 4/21252.