Online GCD Calculator is useful to find the GCD of 691, 291, 789 quickly. Get the easiest ways to solve the greatest common divisor of 691, 291, 789 i.e 1 in different methods as follows.
Given Input numbers are 691, 291, 789
In the factoring method, we have to find the divisors of all numbers
Divisors of 691 :
The positive integer divisors of 691 that completely divides 691 are.
1, 691
Divisors of 291 :
The positive integer divisors of 291 that completely divides 291 are.
1, 3, 97, 291
Divisors of 789 :
The positive integer divisors of 789 that completely divides 789 are.
1, 3, 263, 789
GCD of numbers is the greatest common divisor
So, the GCD (691, 291, 789) = 1.
Given numbers are 691, 291, 789
The list of prime factors of all numbers are
Prime factors of 691 are 691
Prime factors of 291 are 3 x 97
Prime factors of 789 are 3 x 263
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 691, 291, 789
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(691, 291) = 201081
GCD(691, 291) = ( 691 x 291 ) / 201081
= 691 / 291
= 691
Step2:
LCM(1, 789) = 789
GCD(1, 789) = ( 1 x 789 ) / 789
= 1 / 789
= 1
So, Greatest Common Divisor of 691, 291, 789 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 691, 291, 789
The greatest common divisor of numbers 691, 291, 789 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 691, 291, 789 is 1.
1. What is the GCD of 691, 291, 789?
GCD of given numbers 691, 291, 789 is 1
2. How to calculate the greatest common divisor of 691, 291, 789?
We can find the highest common divisor of 691, 291, 789 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 691, 291, 789 i.e 1.
3. How can I use the GCD of 691, 291, 789Calculator?
Out the numbers 691, 291, 789 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.