Online GCD Calculator is useful to find the GCD of 956, 420, 784, 129 quickly. Get the easiest ways to solve the greatest common divisor of 956, 420, 784, 129 i.e 1 in different methods as follows.
Given Input numbers are 956, 420, 784, 129
In the factoring method, we have to find the divisors of all numbers
Divisors of 956 :
The positive integer divisors of 956 that completely divides 956 are.
1, 2, 4, 239, 478, 956
Divisors of 420 :
The positive integer divisors of 420 that completely divides 420 are.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
Divisors of 784 :
The positive integer divisors of 784 that completely divides 784 are.
1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784
Divisors of 129 :
The positive integer divisors of 129 that completely divides 129 are.
1, 3, 43, 129
GCD of numbers is the greatest common divisor
So, the GCD (956, 420, 784, 129) = 1.
Given numbers are 956, 420, 784, 129
The list of prime factors of all numbers are
Prime factors of 956 are 2 x 2 x 239
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 784 are 2 x 2 x 2 x 2 x 7 x 7
Prime factors of 129 are 3 x 43
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 956, 420, 784, 129
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(956, 420) = 100380
GCD(956, 420) = ( 956 x 420 ) / 100380
= 956 / 420
= 956
Step2:
LCM(4, 784) = 784
GCD(4, 784) = ( 4 x 784 ) / 784
= 4 / 784
= 4
Step3:
LCM(4, 129) = 516
GCD(4, 129) = ( 4 x 129 ) / 516
= 4 / 129
= 4
So, Greatest Common Divisor of 956, 420, 784, 129 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 956, 420, 784, 129
The greatest common divisor of numbers 956, 420, 784, 129 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 956, 420, 784, 129 is 1.
1. What is the GCD of 956, 420, 784, 129?
GCD of given numbers 956, 420, 784, 129 is 1
2. How to calculate the greatest common divisor of 956, 420, 784, 129?
We can find the highest common divisor of 956, 420, 784, 129 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 956, 420, 784, 129 i.e 1.
3. How can I use the GCD of 956, 420, 784, 129Calculator?
Out the numbers 956, 420, 784, 129 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.