Online GCD Calculator is useful to find the GCD of 291, 921, 939, 123 quickly. Get the easiest ways to solve the greatest common divisor of 291, 921, 939, 123 i.e 3 in different methods as follows.
Given Input numbers are 291, 921, 939, 123
In the factoring method, we have to find the divisors of all numbers
Divisors of 291 :
The positive integer divisors of 291 that completely divides 291 are.
1, 3, 97, 291
Divisors of 921 :
The positive integer divisors of 921 that completely divides 921 are.
1, 3, 307, 921
Divisors of 939 :
The positive integer divisors of 939 that completely divides 939 are.
1, 3, 313, 939
Divisors of 123 :
The positive integer divisors of 123 that completely divides 123 are.
1, 3, 41, 123
GCD of numbers is the greatest common divisor
So, the GCD (291, 921, 939, 123) = 3.
Given numbers are 291, 921, 939, 123
The list of prime factors of all numbers are
Prime factors of 291 are 3 x 97
Prime factors of 921 are 3 x 307
Prime factors of 939 are 3 x 313
Prime factors of 123 are 3 x 41
The highest common occurrence is 31
Therefore, GCD of 291, 921, 939, 123 is 3.
Given numbers are 291, 921, 939, 123
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(291, 921) = 89337
GCD(291, 921) = ( 291 x 921 ) / 89337
= 291 / 921
= 291
Step2:
LCM(3, 939) = 939
GCD(3, 939) = ( 3 x 939 ) / 939
= 3 / 939
= 3
Step3:
LCM(3, 123) = 123
GCD(3, 123) = ( 3 x 123 ) / 123
= 3 / 123
= 3
So, Greatest Common Divisor of 291, 921, 939, 123 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 291, 921, 939, 123
The greatest common divisor of numbers 291, 921, 939, 123 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 291, 921, 939, 123 is 3.
1. What is the GCD of 291, 921, 939, 123?
GCD of given numbers 291, 921, 939, 123 is 3
2. How to calculate the greatest common divisor of 291, 921, 939, 123?
We can find the highest common divisor of 291, 921, 939, 123 easily using the prime factorization method. Just list the prime factors of all numbers and pick the highest common factor which is the GCD of 291, 921, 939, 123 i.e 3.
3. How can I use the GCD of 291, 921, 939, 123Calculator?
Out the numbers 291, 921, 939, 123 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.