Online GCD Calculator is useful to find the GCD of 125, 438, 30 quickly. Get the easiest ways to solve the greatest common divisor of 125, 438, 30 i.e 1 in different methods as follows.
Given Input numbers are 125, 438, 30
In the factoring method, we have to find the divisors of all numbers
Divisors of 125 :
The positive integer divisors of 125 that completely divides 125 are.
1, 5, 25, 125
Divisors of 438 :
The positive integer divisors of 438 that completely divides 438 are.
1, 2, 3, 6, 73, 146, 219, 438
Divisors of 30 :
The positive integer divisors of 30 that completely divides 30 are.
1, 2, 3, 5, 6, 10, 15, 30
GCD of numbers is the greatest common divisor
So, the GCD (125, 438, 30) = 1.
Given numbers are 125, 438, 30
The list of prime factors of all numbers are
Prime factors of 125 are 5 x 5 x 5
Prime factors of 438 are 2 x 3 x 73
Prime factors of 30 are 2 x 3 x 5
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 125, 438, 30
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(125, 438) = 54750
GCD(125, 438) = ( 125 x 438 ) / 54750
= 125 / 438
= 125
Step2:
LCM(1, 30) = 30
GCD(1, 30) = ( 1 x 30 ) / 30
= 1 / 30
= 1
So, Greatest Common Divisor of 125, 438, 30 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 125, 438, 30
The greatest common divisor of numbers 125, 438, 30 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 125, 438, 30 is 1.
1. What is the GCD of 125, 438, 30?
GCD of given numbers 125, 438, 30 is 1
2. How to calculate the greatest common divisor of 125, 438, 30?
We can find the highest common divisor of 125, 438, 30 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 125, 438, 30 i.e 1.
3. How can I use the GCD of 125, 438, 30Calculator?
Out the numbers 125, 438, 30 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.