GCF of 661/826, 808/985, 639/644
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 661/826, 808/985, 639/644 i.e 1/37426060 easily. The following is the detailed procedure to determine the greatest common factor of fractions 661/826, 808/985, 639/644.
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 661/826,808/985,639/644?
Given fractions are 661/826,808/985,639/644
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 661/826,808/985,639/644, numerators are 661,808,639
Denominators are 826,985,644
The GCF of 661,808,639 is 1 .
LCM of 826,985,644 is 37426060.
The greatest common factor of 661/826,808/985,639/644 = [GCF of 661,808,639]/[LCM of 826,985,644]= 1/37426060
Therefore, the GCF of 661/826,808/985,639/644 is 1/37426060.
To find the highest common factor of 661,808,639, we have to find the factors of both numbers and list the highest common factor.
The factors of 661 are 1, 661
The factors of 808 are 1, 2, 4, 8, 101, 202, 404, 808
The factors of 639 are 1, 3, 9, 71, 213, 639
The HCF of 661,808,639 is 1.
Lets's calculate GCF of 661,808,639
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 661,808,639 By Matching Biggest Common Factor Method
Now, list down the factors of 661
:1,661
Now, list down the factors of 808
:1,2,4,8,101,202,404,808
Now, list down the factors of 639
:1,3,9,71,213,639
Greatest Common Factor
We found the factors 661,808,639 . The biggest common factor number is the GCF number.
So the greatest common factor 661,808,639 is 1.
Lets's calculate LCM of 826,985,644
| 2 | 826, 985, 644 |
| 7 | 413, 985, 322 |
| 59, 985, 46 |
∴ So the LCM of the given numbers is 2 x 7 x 59 x 985 x 46 = 37426060
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/37426060
Therefore, the GCF of Fractions 661/826,808/985,639/644 is 1/37426060
Least Common Multiple of 826,985,644 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 826,985,644 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(826,985,644) = 1
common factors(in case of two or more numbers have common factors) = 14
GCF(826,985,644) x common factors =1 x 14 = 14
LCM(826,985,644) = ( 826 × 985 × 644 ) / 14
LCM(826,985,644) = 523964840 / 14
LCM(826,985,644) = 37426060
GCF of Fractions Calculation Examples
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FAQs on GCF of Fractions of 661/826, 808/985, 639/644
1. What is the HCF of 661,808,639?
The HCF of 661,808,639 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 661/826, 808/985, 639/644?
Answer: GCF of Numerators as per given numbers 661/826, 808/985, 639/644 is
GCF of Numerators i.e. for 661,808,639 is 1
LCM of denominators i.e. for 826,985,644 is 37426060.
Thus, GCF of Fractions is 1/37426060.Finally, GCF of Fractions for 661/826, 808/985, 639/644 is 1/37426060.