Online GCD Calculator is useful to find the GCD of 638, 686, 746 quickly. Get the easiest ways to solve the greatest common divisor of 638, 686, 746 i.e 2 in different methods as follows.
Given Input numbers are 638, 686, 746
In the factoring method, we have to find the divisors of all numbers
Divisors of 638 :
The positive integer divisors of 638 that completely divides 638 are.
1, 2, 11, 22, 29, 58, 319, 638
Divisors of 686 :
The positive integer divisors of 686 that completely divides 686 are.
1, 2, 7, 14, 49, 98, 343, 686
Divisors of 746 :
The positive integer divisors of 746 that completely divides 746 are.
1, 2, 373, 746
GCD of numbers is the greatest common divisor
So, the GCD (638, 686, 746) = 2.
Given numbers are 638, 686, 746
The list of prime factors of all numbers are
Prime factors of 638 are 2 x 11 x 29
Prime factors of 686 are 2 x 7 x 7 x 7
Prime factors of 746 are 2 x 373
The highest common occurrence is 21
Therefore, GCD of 638, 686, 746 is 2.
Given numbers are 638, 686, 746
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(638, 686) = 218834
GCD(638, 686) = ( 638 x 686 ) / 218834
= 638 / 686
= 638
Step2:
LCM(2, 746) = 746
GCD(2, 746) = ( 2 x 746 ) / 746
= 2 / 746
= 2
So, Greatest Common Divisor of 638, 686, 746 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 638, 686, 746
The greatest common divisor of numbers 638, 686, 746 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 638, 686, 746 is 2.
1. What is the GCD of 638, 686, 746?
GCD of given numbers 638, 686, 746 is 2
2. How to calculate the greatest common divisor of 638, 686, 746?
We can find the highest common divisor of 638, 686, 746 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 638, 686, 746 i.e 2.
3. How can I use the GCD of 638, 686, 746Calculator?
Out the numbers 638, 686, 746 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.