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GCF of 921/15, 391/9709

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 921/15, 391/9709 i.e 1/145635 easily. The following is the detailed procedure to determine the greatest common factor of fractions 921/15, 391/9709.

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 921/15,391/9709?

Given fractions are 921/15,391/9709

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 921/15,391/9709, numerators are 921,391

Denominators are 15,9709

The GCF of 921,391 is 1 .

LCM of 15,9709 is 145635.

The greatest common factor of 921/15,391/9709 = [GCF of 921,391]/[LCM of 15,9709]= 1/145635

Therefore, the GCF of 921/15,391/9709 is 1/145635.

Greatest Common Factor of 921,391

To find the highest common factor of 921,391, we have to find the factors of both numbers and list the highest common factor.

The factors of 921 are 1, 3, 307, 921

The factors of 391 are 1, 17, 23, 391

The HCF of 921,391 is 1.

Lets's calculate GCF of 921,391

Greatest Common Factor (GCF) of 921,391 By Common Division

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

Greatest Common Factor of 921,391 By Matching Biggest Common Factor Method

Greatest Common Factor of 921,391 By Matching Biggest Common Factor Method

Now, list down the factors of 921

:

1,3,307,921

Now, list down the factors of 391

:

1,17,23,391

Greatest Common Factor

We found the factors 921,391 . The biggest common factor number is the GCF number.
So the greatest common factor 921,391 is 1.


Lets's calculate LCM of 15,9709

Lowest Common Multiple of 15,9709 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 145635

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/145635

Therefore, the GCF of Fractions 921/15,391/9709 is 1/145635

Least Common Multiple of 15,9709 with GCF Formula

Least Common Multiple of 15,9709 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 15,9709 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(15,9709) = 1

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

GCF(15,9709) x common factors =1 x 1 = 1

LCM(15,9709) = ( 15 × 9709 ) / 1

LCM(15,9709) = 145635 / 1

LCM(15,9709) = 145635


GCF of Fractions Calculation Examples

FAQs on GCF of Fractions of 921/15, 391/9709

1. What is the HCF of 921,391?

The HCF of 921,391 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 921/15, 391/9709?

Answer: GCF of Numerators as per given numbers 921/15, 391/9709 is

GCF of Numerators i.e. for 921,391 is 1

LCM of denominators i.e. for 15,9709 is 145635.

Thus, GCF of Fractions is 1/145635.Finally, GCF of Fractions for 921/15, 391/9709 is 1/145635.