LCM of 3 Numbers Calculator LCM of 4 Numbers Calculator LCM of 5 Numbers Calculator LCD Calculator How to find LCM LCM and HCF Questions Least Common Denominator Calculator Greatest Common Divisor Calculator HCF Calculator HCF of 3 Numbers Calculator HCF of 4 Numbers Calculator GCD Calculator Greatest Common Factor Calculator Least Common Multiple Calculator Common Factors Calculator

GCF of 65/816, 78/799

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Use our free GCF of Fractions Calculator tool to compute the GCF of 65/816, 78/799 i.e 13/38352 easily. The following is the detailed procedure to determine the greatest common factor of fractions 65/816, 78/799.

Enter two or more fractions separated by "commas"

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

GCF of:

What is the GCF of 65/816,78/799?

Given fractions are 65/816,78/799

To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by

GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators

In the fractions 65/816,78/799, numerators are 65,78

Denominators are 816,799

The GCF of 65,78 is 13 .

LCM of 816,799 is 38352.

The greatest common factor of 65/816,78/799 = [GCF of 65,78]/[LCM of 816,799]= 13/38352

Therefore, the GCF of 65/816,78/799 is 13/38352.

Greatest Common Factor of 65,78

To find the highest common factor of 65,78, we have to find the factors of both numbers and list the highest common factor.

The factors of 65 are 1, 5, 13, 65

The factors of 78 are 1, 2, 3, 6, 13, 26, 39, 78

The HCF of 65,78 is 13.

Lets's calculate GCF of 65,78

Greatest Common Factor (GCF) of 65,78 By Common Division

13 65, 78
5, 6

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

Greatest Common Factor of 65,78 By Matching Biggest Common Factor Method

Greatest Common Factor of 65,78 By Matching Biggest Common Factor Method

Now, list down the factors of 65

:

1,5,13,65

Now, list down the factors of 78

:

1,2,3,6,13,26,39,78

Greatest Common Factor

We found the factors 65,78 . The biggest common factor number is the GCF number.
So the greatest common factor 65,78 is 13.


Lets's calculate LCM of 816,799

Lowest Common Multiple of 816,799 using Common Division

17 816, 799
48, 47

∴ So the LCM of the given numbers is 17 x 48 x 47 = 38352

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 13/38352

Therefore, the GCF of Fractions 65/816,78/799 is 13/38352

Least Common Multiple of 816,799 with GCF Formula

Least Common Multiple of 816,799 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 816,799 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(816,799) = 17

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

GCF(816,799) x common factors =17 x 1 = 17

LCM(816,799) = ( 816 × 799 ) / 17

LCM(816,799) = 651984 / 17

LCM(816,799) = 38352


GCF of Fractions Calculation Examples

FAQs on GCF of Fractions of 65/816, 78/799

1. What is the HCF of 65,78?

The HCF of 65,78 is 13

2. What is the GCF of a fraction?

The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.

3. 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.

4. What is the GCF of Fractions for 65/816, 78/799?

Answer: GCF of Numerators as per given numbers 65/816, 78/799 is

GCF of Numerators i.e. for 65,78 is 13

LCM of denominators i.e. for 816,799 is 38352.

Thus, GCF of Fractions is 13/38352.Finally, GCF of Fractions for 65/816, 78/799 is 13/38352.