GCF of 774/945, 617/640
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 774/945, 617/640 i.e 1/120960 easily. The following is the detailed procedure to determine the greatest common factor of fractions 774/945, 617/640.
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 774/945,617/640?
Given fractions are 774/945,617/640
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 774/945,617/640, numerators are 774,617
Denominators are 945,640
The GCF of 774,617 is 1 .
LCM of 945,640 is 120960.
The greatest common factor of 774/945,617/640 = [GCF of 774,617]/[LCM of 945,640]= 1/120960
Therefore, the GCF of 774/945,617/640 is 1/120960.
To find the highest common factor of 774,617, we have to find the factors of both numbers and list the highest common factor.
The factors of 774 are 1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774
The factors of 617 are 1, 617
The HCF of 774,617 is 1.
Lets's calculate GCF of 774,617
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 774,617 By Matching Biggest Common Factor Method
Now, list down the factors of 774
:1,2,3,6,9,18,43,86,129,258,387,774
Now, list down the factors of 617
:1,617
Greatest Common Factor
We found the factors 774,617 . The biggest common factor number is the GCF number.
So the greatest common factor 774,617 is 1.
Lets's calculate LCM of 945,640
| 5 | 945, 640 |
| 189, 128 |
∴ So the LCM of the given numbers is 5 x 189 x 128 = 120960
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/120960
Therefore, the GCF of Fractions 774/945,617/640 is 1/120960
Least Common Multiple of 945,640 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 945,640 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(945,640) = 5
common factors(in case of two or more numbers have common factors) = 1
GCF(945,640) x common factors =5 x 1 = 5
LCM(945,640) = ( 945 × 640 ) / 5
LCM(945,640) = 604800 / 5
LCM(945,640) = 120960
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FAQs on GCF of Fractions of 774/945, 617/640
1. What is the HCF of 774,617?
The HCF of 774,617 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 774/945, 617/640?
Answer: GCF of Numerators as per given numbers 774/945, 617/640 is
GCF of Numerators i.e. for 774,617 is 1
LCM of denominators i.e. for 945,640 is 120960.
Thus, GCF of Fractions is 1/120960.Finally, GCF of Fractions for 774/945, 617/640 is 1/120960.