Online GCD Calculator is useful to find the GCD of 391, 789, 275 quickly. Get the easiest ways to solve the greatest common divisor of 391, 789, 275 i.e 1 in different methods as follows.
Given Input numbers are 391, 789, 275
In the factoring method, we have to find the divisors of all numbers
Divisors of 391 :
The positive integer divisors of 391 that completely divides 391 are.
1, 17, 23, 391
Divisors of 789 :
The positive integer divisors of 789 that completely divides 789 are.
1, 3, 263, 789
Divisors of 275 :
The positive integer divisors of 275 that completely divides 275 are.
1, 5, 11, 25, 55, 275
GCD of numbers is the greatest common divisor
So, the GCD (391, 789, 275) = 1.
Given numbers are 391, 789, 275
The list of prime factors of all numbers are
Prime factors of 391 are 17 x 23
Prime factors of 789 are 3 x 263
Prime factors of 275 are 5 x 5 x 11
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 391, 789, 275
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(391, 789) = 308499
GCD(391, 789) = ( 391 x 789 ) / 308499
= 391 / 789
= 391
Step2:
LCM(1, 275) = 275
GCD(1, 275) = ( 1 x 275 ) / 275
= 1 / 275
= 1
So, Greatest Common Divisor of 391, 789, 275 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 391, 789, 275
The greatest common divisor of numbers 391, 789, 275 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 391, 789, 275 is 1.
1. What is the GCD of 391, 789, 275?
GCD of given numbers 391, 789, 275 is 1
2. How to calculate the greatest common divisor of 391, 789, 275?
We can find the highest common divisor of 391, 789, 275 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 391, 789, 275 i.e 1.
3. How can I use the GCD of 391, 789, 275Calculator?
Out the numbers 391, 789, 275 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.