Online GCD Calculator is useful to find the GCD of 358, 686, 438 quickly. Get the easiest ways to solve the greatest common divisor of 358, 686, 438 i.e 2 in different methods as follows.
Given Input numbers are 358, 686, 438
In the factoring method, we have to find the divisors of all numbers
Divisors of 358 :
The positive integer divisors of 358 that completely divides 358 are.
1, 2, 179, 358
Divisors of 686 :
The positive integer divisors of 686 that completely divides 686 are.
1, 2, 7, 14, 49, 98, 343, 686
Divisors of 438 :
The positive integer divisors of 438 that completely divides 438 are.
1, 2, 3, 6, 73, 146, 219, 438
GCD of numbers is the greatest common divisor
So, the GCD (358, 686, 438) = 2.
Given numbers are 358, 686, 438
The list of prime factors of all numbers are
Prime factors of 358 are 2 x 179
Prime factors of 686 are 2 x 7 x 7 x 7
Prime factors of 438 are 2 x 3 x 73
The highest common occurrence is 21
Therefore, GCD of 358, 686, 438 is 2.
Given numbers are 358, 686, 438
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(358, 686) = 122794
GCD(358, 686) = ( 358 x 686 ) / 122794
= 358 / 686
= 358
Step2:
LCM(2, 438) = 438
GCD(2, 438) = ( 2 x 438 ) / 438
= 2 / 438
= 2
So, Greatest Common Divisor of 358, 686, 438 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 358, 686, 438
The greatest common divisor of numbers 358, 686, 438 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 358, 686, 438 is 2.
1. What is the GCD of 358, 686, 438?
GCD of given numbers 358, 686, 438 is 2
2. How to calculate the greatest common divisor of 358, 686, 438?
We can find the highest common divisor of 358, 686, 438 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 358, 686, 438 i.e 2.
3. How can I use the GCD of 358, 686, 438Calculator?
Out the numbers 358, 686, 438 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.