Online GCD Calculator is useful to find the GCD of 198, 155, 65 quickly. Get the easiest ways to solve the greatest common divisor of 198, 155, 65 i.e 1 in different methods as follows.
Given Input numbers are 198, 155, 65
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 155 :
The positive integer divisors of 155 that completely divides 155 are.
1, 5, 31, 155
Divisors of 65 :
The positive integer divisors of 65 that completely divides 65 are.
1, 5, 13, 65
GCD of numbers is the greatest common divisor
So, the GCD (198, 155, 65) = 1.
Given numbers are 198, 155, 65
The list of prime factors of all numbers are
Prime factors of 198 are 2 x 3 x 3 x 11
Prime factors of 155 are 5 x 31
Prime factors of 65 are 5 x 13
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 198, 155, 65
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(198, 155) = 30690
GCD(198, 155) = ( 198 x 155 ) / 30690
= 198 / 155
= 198
Step2:
LCM(1, 65) = 65
GCD(1, 65) = ( 1 x 65 ) / 65
= 1 / 65
= 1
So, Greatest Common Divisor of 198, 155, 65 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 198, 155, 65
The greatest common divisor of numbers 198, 155, 65 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 198, 155, 65 is 1.
1. What is the GCD of 198, 155, 65?
GCD of given numbers 198, 155, 65 is 1
2. How to calculate the greatest common divisor of 198, 155, 65?
We can find the highest common divisor of 198, 155, 65 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, 155, 65 i.e 1.
3. How can I use the GCD of 198, 155, 65Calculator?
Out the numbers 198, 155, 65 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.