Online GCD Calculator is useful to find the GCD of 945, 169, 138 quickly. Get the easiest ways to solve the greatest common divisor of 945, 169, 138 i.e 1 in different methods as follows.
Given Input numbers are 945, 169, 138
In the factoring method, we have to find the divisors of all numbers
Divisors of 945 :
The positive integer divisors of 945 that completely divides 945 are.
1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945
Divisors of 169 :
The positive integer divisors of 169 that completely divides 169 are.
1, 13, 169
Divisors of 138 :
The positive integer divisors of 138 that completely divides 138 are.
1, 2, 3, 6, 23, 46, 69, 138
GCD of numbers is the greatest common divisor
So, the GCD (945, 169, 138) = 1.
Given numbers are 945, 169, 138
The list of prime factors of all numbers are
Prime factors of 945 are 3 x 3 x 3 x 5 x 7
Prime factors of 169 are 13 x 13
Prime factors of 138 are 2 x 3 x 23
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 945, 169, 138
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(945, 169) = 159705
GCD(945, 169) = ( 945 x 169 ) / 159705
= 945 / 169
= 945
Step2:
LCM(1, 138) = 138
GCD(1, 138) = ( 1 x 138 ) / 138
= 1 / 138
= 1
So, Greatest Common Divisor of 945, 169, 138 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 945, 169, 138
The greatest common divisor of numbers 945, 169, 138 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 945, 169, 138 is 1.
1. What is the GCD of 945, 169, 138?
GCD of given numbers 945, 169, 138 is 1
2. How to calculate the greatest common divisor of 945, 169, 138?
We can find the highest common divisor of 945, 169, 138 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 945, 169, 138 i.e 1.
3. How can I use the GCD of 945, 169, 138Calculator?
Out the numbers 945, 169, 138 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.