How to Find GCF of 772/55, 645/7924?

GCF of 772/55, 645/7924

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 772/55, 645/7924 i.e 1/435820 easily. The following is the detailed procedure to determine the greatest common factor of fractions 772/55, 645/7924.

Enter two or more fractions separated by "commas"

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

What is the GCF of 772/55,645/7924?

Given fractions are 772/55,645/7924

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 772/55,645/7924, numerators are 772,645

Denominators are 55,7924

The GCF of 772,645 is 1 .

LCM of 55,7924 is 435820.

The greatest common factor of 772/55,645/7924 = [GCF of 772,645]/[LCM of 55,7924]= 1/435820

Therefore, the GCF of 772/55,645/7924 is 1/435820.

Greatest Common Factor of 772,645

To find the highest common factor of 772,645, we have to find the factors of both numbers and list the highest common factor.

The factors of 772 are 1, 2, 4, 193, 386, 772

The factors of 645 are 1, 3, 5, 15, 43, 129, 215, 645

The HCF of 772,645 is 1.

Lets's calculate GCF of 772,645

Greatest Common Factor (GCF) of 772,645 By Common Division

∴ So GCF of numbers is 1 because of no common factors present between them.

Greatest Common Factor of 772,645 By Matching Biggest Common Factor Method

Now, list down the factors of 772

1,2,4,193,386,772

Now, list down the factors of 645

1,3,5,15,43,129,215,645

Greatest Common Factor

We found the factors 772,645 . The biggest common factor number is the GCF number.
So the greatest common factor 772,645 is 1.

Lets's calculate LCM of 55,7924

Lowest Common Multiple of 55,7924 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 435820

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/435820

Therefore, the GCF of Fractions 772/55,645/7924 is 1/435820

Least Common Multiple of 55,7924 with GCF Formula

The formula of LCM is LCM(a₁,a₂,a₃....,a_n) = ( a₁ × a₂ × a₃ × .... × a_n) / GCF(a₁,a₂,a₃....,a_n) x common factors(if more than 2 numbers have common factors).

We need to calculate greatest common factor of 55,7924 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(55,7924) = 1

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

GCF(55,7924) x common factors =1 x 1 = 1

LCM(55,7924) = ( 55 × 7924 ) / 1

LCM(55,7924) = 435820 / 1

LCM(55,7924) = 435820

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FAQs on GCF of Fractions of 772/55, 645/7924

1. What is the HCF of 772,645?

The HCF of 772,645 is 1

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 772/55, 645/7924?

Answer: GCF of Numerators as per given numbers 772/55, 645/7924 is

GCF of Numerators i.e. for 772,645 is 1

LCM of denominators i.e. for 55,7924 is 435820.

Thus, GCF of Fractions is 1/435820.Finally, GCF of Fractions for 772/55, 645/7924 is 1/435820.