Online GCD Calculator is useful to find the GCD of 621, 862, 638, 789 quickly. Get the easiest ways to solve the greatest common divisor of 621, 862, 638, 789 i.e 1 in different methods as follows.
Given Input numbers are 621, 862, 638, 789
In the factoring method, we have to find the divisors of all numbers
Divisors of 621 :
The positive integer divisors of 621 that completely divides 621 are.
1, 3, 9, 23, 27, 69, 207, 621
Divisors of 862 :
The positive integer divisors of 862 that completely divides 862 are.
1, 2, 431, 862
Divisors of 638 :
The positive integer divisors of 638 that completely divides 638 are.
1, 2, 11, 22, 29, 58, 319, 638
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 (621, 862, 638, 789) = 1.
Given numbers are 621, 862, 638, 789
The list of prime factors of all numbers are
Prime factors of 621 are 3 x 3 x 3 x 23
Prime factors of 862 are 2 x 431
Prime factors of 638 are 2 x 11 x 29
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 621, 862, 638, 789
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(621, 862) = 535302
GCD(621, 862) = ( 621 x 862 ) / 535302
= 621 / 862
= 621
Step2:
LCM(1, 638) = 638
GCD(1, 638) = ( 1 x 638 ) / 638
= 1 / 638
= 1
Step3:
LCM(1, 789) = 789
GCD(1, 789) = ( 1 x 789 ) / 789
= 1 / 789
= 1
So, Greatest Common Divisor of 621, 862, 638, 789 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 621, 862, 638, 789
The greatest common divisor of numbers 621, 862, 638, 789 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 621, 862, 638, 789 is 1.
1. What is the GCD of 621, 862, 638, 789?
GCD of given numbers 621, 862, 638, 789 is 1
2. How to calculate the greatest common divisor of 621, 862, 638, 789?
We can find the highest common divisor of 621, 862, 638, 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 621, 862, 638, 789 i.e 1.
3. How can I use the GCD of 621, 862, 638, 789Calculator?
Out the numbers 621, 862, 638, 789 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.