Online GCD Calculator is useful to find the GCD of 423, 639, 537, 126 quickly. Get the easiest ways to solve the greatest common divisor of 423, 639, 537, 126 i.e 3 in different methods as follows.
Given Input numbers are 423, 639, 537, 126
In the factoring method, we have to find the divisors of all numbers
Divisors of 423 :
The positive integer divisors of 423 that completely divides 423 are.
1, 3, 9, 47, 141, 423
Divisors of 639 :
The positive integer divisors of 639 that completely divides 639 are.
1, 3, 9, 71, 213, 639
Divisors of 537 :
The positive integer divisors of 537 that completely divides 537 are.
1, 3, 179, 537
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 (423, 639, 537, 126) = 3.
Given numbers are 423, 639, 537, 126
The list of prime factors of all numbers are
Prime factors of 423 are 3 x 3 x 47
Prime factors of 639 are 3 x 3 x 71
Prime factors of 537 are 3 x 179
Prime factors of 126 are 2 x 3 x 3 x 7
The highest common occurrence is 31
Therefore, GCD of 423, 639, 537, 126 is 3.
Given numbers are 423, 639, 537, 126
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(423, 639) = 30033
GCD(423, 639) = ( 423 x 639 ) / 30033
= 423 / 639
= 423
Step2:
LCM(9, 537) = 1611
GCD(9, 537) = ( 9 x 537 ) / 1611
= 9 / 537
= 9
Step3:
LCM(3, 126) = 126
GCD(3, 126) = ( 3 x 126 ) / 126
= 3 / 126
= 3
So, Greatest Common Divisor of 423, 639, 537, 126 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 423, 639, 537, 126
The greatest common divisor of numbers 423, 639, 537, 126 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 423, 639, 537, 126 is 3.
1. What is the GCD of 423, 639, 537, 126?
GCD of given numbers 423, 639, 537, 126 is 3
2. How to calculate the greatest common divisor of 423, 639, 537, 126?
We can find the highest common divisor of 423, 639, 537, 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 423, 639, 537, 126 i.e 3.
3. How can I use the GCD of 423, 639, 537, 126Calculator?
Out the numbers 423, 639, 537, 126 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.