Greatest Common Factor of 689/909, 715/765

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of 689/909, 715/765

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 689/909,715/765

Given fractions are 689/909,715/765

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 689,715

Greatest Common Factor of Numerators i.e. GCF of 689,715 is 13 .

LCM of Denominators means LCM of 909,765 as per the given fractions.

LCM of 909,765 is 77265 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 689,715

GCF of Fractions 689/909,715/765 is 13/77265

13 689, 715
53, 55

∴ So the GCF of the given numbers is 13 = 13

Greatest Common Factor of 689,715 By Matching Biggest Common Factor Method

Greatest Common Factor of 689,715 By Matching Biggest Common Factor Method

Factors of 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

Factors of 715

List of positive integer factors of 715 that divides 715 without a remainder.

1,5,11,13,55,65,143,715

Greatest Common Factor

We found the factors 689,715 . The biggest common factor number is the GCF number.
So the greatest common factor 689,715 is 13.

Lets's calculate LCM of 909,765

3 909, 765
3 303, 255
101, 85

∴ So the LCM of the given numbers is 3 x 3 x 101 x 85 = 77265

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 13/77265

Therefore, the GCF of Fractions 689/909,715/765 is 13/77265

Least Common Multiple of 909,765 with GCF Formula

Least Common Multiple of 909,765 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 909,765 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(909,765) = 9

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

GCF(909,765) x common factors =9 x 1 = 9

LCM(909,765) = ( 909 × 765 ) / 9

LCM(909,765) = 695385 / 9

LCM(909,765) = 77265


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 689/909, 715/765

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 689/909, 715/765?

Answer: GCF of Numerators as per given numbers 689/909, 715/765 is

GCF of Numerators i.e. for 689,715 is 13

LCM of denominators i.e. for 909,765 is 77265.

Thus, GCF of Fractions is 13/77265.Finally, GCF of Fractions for 689/909, 715/765 is 13/77265.