Greatest Common Factor of 770/79, 781/311

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 770/79, 781/311

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 770/79,781/311

Given fractions are 770/79,781/311

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 770,781

Greatest Common Factor of Numerators i.e. GCF of 770,781 is 11 .

LCM of Denominators means LCM of 79,311 as per the given fractions.

LCM of 79,311 is 24569 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 770,781

GCF of Fractions 770/79,781/311 is 11/24569

11 770, 781
70, 71

∴ So the GCF of the given numbers is 11 = 11

Greatest Common Factor of 770,781 By Matching Biggest Common Factor Method

Greatest Common Factor of 770,781 By Matching Biggest Common Factor Method

Factors of 770

List of positive integer factors of 770 that divides 770 without a remainder.

1,2,5,7,10,11,14,22,35,55,70,77,110,154,385,770

Factors of 781

List of positive integer factors of 781 that divides 781 without a remainder.

1,11,71,781

Greatest Common Factor

We found the factors 770,781 . The biggest common factor number is the GCF number.
So the greatest common factor 770,781 is 11.


Lets's calculate LCM of 79,311

Given numbers has no common factors except 1. So, there LCM is their product i.e 24569

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 11/24569

Therefore, the GCF of Fractions 770/79,781/311 is 11/24569

Least Common Multiple of 79,311 with GCF Formula

Least Common Multiple of 79,311 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 79,311 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(79,311) = 1

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

GCF(79,311) x common factors =1 x 1 = 1

LCM(79,311) = ( 79 × 311 ) / 1

LCM(79,311) = 24569 / 1

LCM(79,311) = 24569


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 770/79, 781/311

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 770/79, 781/311?

Answer: GCF of Numerators as per given numbers 770/79, 781/311 is

GCF of Numerators i.e. for 770,781 is 11

LCM of denominators i.e. for 79,311 is 24569.

Thus, GCF of Fractions is 11/24569.Finally, GCF of Fractions for 770/79, 781/311 is 11/24569.