Online GCD Calculator is useful to find the GCD of 198, 801, 810, 646 quickly. Get the easiest ways to solve the greatest common divisor of 198, 801, 810, 646 i.e 1 in different methods as follows.
Given Input numbers are 198, 801, 810, 646
In the factoring method, we have to find the divisors of all numbers
Divisors of 198 :
The positive integer divisors of 198 that completely divides 198 are.
1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198
Divisors of 801 :
The positive integer divisors of 801 that completely divides 801 are.
1, 3, 9, 89, 267, 801
Divisors of 810 :
The positive integer divisors of 810 that completely divides 810 are.
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810
Divisors of 646 :
The positive integer divisors of 646 that completely divides 646 are.
1, 2, 17, 19, 34, 38, 323, 646
GCD of numbers is the greatest common divisor
So, the GCD (198, 801, 810, 646) = 1.
Given numbers are 198, 801, 810, 646
The list of prime factors of all numbers are
Prime factors of 198 are 2 x 3 x 3 x 11
Prime factors of 801 are 3 x 3 x 89
Prime factors of 810 are 2 x 3 x 3 x 3 x 3 x 5
Prime factors of 646 are 2 x 17 x 19
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 198, 801, 810, 646
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(198, 801) = 17622
GCD(198, 801) = ( 198 x 801 ) / 17622
= 198 / 801
= 198
Step2:
LCM(9, 810) = 810
GCD(9, 810) = ( 9 x 810 ) / 810
= 9 / 810
= 9
Step3:
LCM(9, 646) = 5814
GCD(9, 646) = ( 9 x 646 ) / 5814
= 9 / 646
= 9
So, Greatest Common Divisor of 198, 801, 810, 646 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 198, 801, 810, 646
The greatest common divisor of numbers 198, 801, 810, 646 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 198, 801, 810, 646 is 1.
1. What is the GCD of 198, 801, 810, 646?
GCD of given numbers 198, 801, 810, 646 is 1
2. How to calculate the greatest common divisor of 198, 801, 810, 646?
We can find the highest common divisor of 198, 801, 810, 646 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 198, 801, 810, 646 i.e 1.
3. How can I use the GCD of 198, 801, 810, 646Calculator?
Out the numbers 198, 801, 810, 646 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.