Online GCD Calculator is useful to find the GCD of 639, 196, 731 quickly. Get the easiest ways to solve the greatest common divisor of 639, 196, 731 i.e 1 in different methods as follows.
Given Input numbers are 639, 196, 731
In the factoring method, we have to find the divisors of all numbers
Divisors of 639 :
The positive integer divisors of 639 that completely divides 639 are.
1, 3, 9, 71, 213, 639
Divisors of 196 :
The positive integer divisors of 196 that completely divides 196 are.
1, 2, 4, 7, 14, 28, 49, 98, 196
Divisors of 731 :
The positive integer divisors of 731 that completely divides 731 are.
1, 17, 43, 731
GCD of numbers is the greatest common divisor
So, the GCD (639, 196, 731) = 1.
Given numbers are 639, 196, 731
The list of prime factors of all numbers are
Prime factors of 639 are 3 x 3 x 71
Prime factors of 196 are 2 x 2 x 7 x 7
Prime factors of 731 are 17 x 43
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 639, 196, 731
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(639, 196) = 125244
GCD(639, 196) = ( 639 x 196 ) / 125244
= 639 / 196
= 639
Step2:
LCM(1, 731) = 731
GCD(1, 731) = ( 1 x 731 ) / 731
= 1 / 731
= 1
So, Greatest Common Divisor of 639, 196, 731 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 639, 196, 731
The greatest common divisor of numbers 639, 196, 731 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 639, 196, 731 is 1.
1. What is the GCD of 639, 196, 731?
GCD of given numbers 639, 196, 731 is 1
2. How to calculate the greatest common divisor of 639, 196, 731?
We can find the highest common divisor of 639, 196, 731 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 639, 196, 731 i.e 1.
3. How can I use the GCD of 639, 196, 731Calculator?
Out the numbers 639, 196, 731 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.