Online GCD Calculator is useful to find the GCD of 621, 207, 126 quickly. Get the easiest ways to solve the greatest common divisor of 621, 207, 126 i.e 9 in different methods as follows.
Given Input numbers are 621, 207, 126
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 207 :
The positive integer divisors of 207 that completely divides 207 are.
1, 3, 9, 23, 69, 207
Divisors of 126 :
The positive integer divisors of 126 that completely divides 126 are.
1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
GCD of numbers is the greatest common divisor
So, the GCD (621, 207, 126) = 9.
Given numbers are 621, 207, 126
The list of prime factors of all numbers are
Prime factors of 621 are 3 x 3 x 3 x 23
Prime factors of 207 are 3 x 3 x 23
Prime factors of 126 are 2 x 3 x 3 x 7
The highest common occurrence is 32
Therefore, GCD of 621, 207, 126 is 9.
Given numbers are 621, 207, 126
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(621, 207) = 621
GCD(621, 207) = ( 621 x 207 ) / 621
= 621 / 207
= 621
Step2:
LCM(207, 126) = 2898
GCD(207, 126) = ( 207 x 126 ) / 2898
= 207 / 126
= 207
So, Greatest Common Divisor of 621, 207, 126 is 9
Here are some samples of GCD of Numbers calculations.
Given numbers are 621, 207, 126
The greatest common divisor of numbers 621, 207, 126 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 621, 207, 126 is 9.
1. What is the GCD of 621, 207, 126?
GCD of given numbers 621, 207, 126 is 9
2. How to calculate the greatest common divisor of 621, 207, 126?
We can find the highest common divisor of 621, 207, 126 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, 207, 126 i.e 9.
3. How can I use the GCD of 621, 207, 126Calculator?
Out the numbers 621, 207, 126 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.