Online GCD Calculator is useful to find the GCD of 993, 189, 168, 155 quickly. Get the easiest ways to solve the greatest common divisor of 993, 189, 168, 155 i.e 1 in different methods as follows.
Given Input numbers are 993, 189, 168, 155
In the factoring method, we have to find the divisors of all numbers
Divisors of 993 :
The positive integer divisors of 993 that completely divides 993 are.
1, 3, 331, 993
Divisors of 189 :
The positive integer divisors of 189 that completely divides 189 are.
1, 3, 7, 9, 21, 27, 63, 189
Divisors of 168 :
The positive integer divisors of 168 that completely divides 168 are.
1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168
Divisors of 155 :
The positive integer divisors of 155 that completely divides 155 are.
1, 5, 31, 155
GCD of numbers is the greatest common divisor
So, the GCD (993, 189, 168, 155) = 1.
Given numbers are 993, 189, 168, 155
The list of prime factors of all numbers are
Prime factors of 993 are 3 x 331
Prime factors of 189 are 3 x 3 x 3 x 7
Prime factors of 168 are 2 x 2 x 2 x 3 x 7
Prime factors of 155 are 5 x 31
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 993, 189, 168, 155
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(993, 189) = 62559
GCD(993, 189) = ( 993 x 189 ) / 62559
= 993 / 189
= 993
Step2:
LCM(3, 168) = 168
GCD(3, 168) = ( 3 x 168 ) / 168
= 3 / 168
= 3
Step3:
LCM(3, 155) = 465
GCD(3, 155) = ( 3 x 155 ) / 465
= 3 / 155
= 3
So, Greatest Common Divisor of 993, 189, 168, 155 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 993, 189, 168, 155
The greatest common divisor of numbers 993, 189, 168, 155 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 993, 189, 168, 155 is 1.
1. What is the GCD of 993, 189, 168, 155?
GCD of given numbers 993, 189, 168, 155 is 1
2. How to calculate the greatest common divisor of 993, 189, 168, 155?
We can find the highest common divisor of 993, 189, 168, 155 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 993, 189, 168, 155 i.e 1.
3. How can I use the GCD of 993, 189, 168, 155Calculator?
Out the numbers 993, 189, 168, 155 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.