GCF of 912/774, 121/645
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 912/774, 121/645 i.e 1/3870 easily. The following is the detailed procedure to determine the greatest common factor of fractions 912/774, 121/645.
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 912/774,121/645?
Given fractions are 912/774,121/645
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 912/774,121/645, numerators are 912,121
Denominators are 774,645
The GCF of 912,121 is 1 .
LCM of 774,645 is 3870.
The greatest common factor of 912/774,121/645 = [GCF of 912,121]/[LCM of 774,645]= 1/3870
Therefore, the GCF of 912/774,121/645 is 1/3870.
To find the highest common factor of 912,121, we have to find the factors of both numbers and list the highest common factor.
The factors of 912 are 1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912
The factors of 121 are 1, 11, 121
The HCF of 912,121 is 1.
Lets's calculate GCF of 912,121
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 912,121 By Matching Biggest Common Factor Method
Now, list down the factors of 912
:1,2,3,4,6,8,12,16,19,24,38,48,57,76,114,152,228,304,456,912
Now, list down the factors of 121
:1,11,121
Greatest Common Factor
We found the factors 912,121 . The biggest common factor number is the GCF number.
So the greatest common factor 912,121 is 1.
Lets's calculate LCM of 774,645
| 3 | 774, 645 |
| 43 | 258, 215 |
| 6, 5 |
∴ So the LCM of the given numbers is 3 x 43 x 6 x 5 = 3870
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/3870
Therefore, the GCF of Fractions 912/774,121/645 is 1/3870
Least Common Multiple of 774,645 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 774,645 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(774,645) = 129
common factors(in case of two or more numbers have common factors) = 1
GCF(774,645) x common factors =129 x 1 = 129
LCM(774,645) = ( 774 × 645 ) / 129
LCM(774,645) = 499230 / 129
LCM(774,645) = 3870
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FAQs on GCF of Fractions of 912/774, 121/645
1. What is the HCF of 912,121?
The HCF of 912,121 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 912/774, 121/645?
Answer: GCF of Numerators as per given numbers 912/774, 121/645 is
GCF of Numerators i.e. for 912,121 is 1
LCM of denominators i.e. for 774,645 is 3870.
Thus, GCF of Fractions is 1/3870.Finally, GCF of Fractions for 912/774, 121/645 is 1/3870.