Online GCD Calculator is useful to find the GCD of 389, 149, 905 quickly. Get the easiest ways to solve the greatest common divisor of 389, 149, 905 i.e 1 in different methods as follows.
Given Input numbers are 389, 149, 905
In the factoring method, we have to find the divisors of all numbers
Divisors of 389 :
The positive integer divisors of 389 that completely divides 389 are.
1, 389
Divisors of 149 :
The positive integer divisors of 149 that completely divides 149 are.
1, 149
Divisors of 905 :
The positive integer divisors of 905 that completely divides 905 are.
1, 5, 181, 905
GCD of numbers is the greatest common divisor
So, the GCD (389, 149, 905) = 1.
Given numbers are 389, 149, 905
The list of prime factors of all numbers are
Prime factors of 389 are 389
Prime factors of 149 are 149
Prime factors of 905 are 5 x 181
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 389, 149, 905
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(389, 149) = 57961
GCD(389, 149) = ( 389 x 149 ) / 57961
= 389 / 149
= 389
Step2:
LCM(1, 905) = 905
GCD(1, 905) = ( 1 x 905 ) / 905
= 1 / 905
= 1
So, Greatest Common Divisor of 389, 149, 905 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 389, 149, 905
The greatest common divisor of numbers 389, 149, 905 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 389, 149, 905 is 1.
1. What is the GCD of 389, 149, 905?
GCD of given numbers 389, 149, 905 is 1
2. How to calculate the greatest common divisor of 389, 149, 905?
We can find the highest common divisor of 389, 149, 905 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 389, 149, 905 i.e 1.
3. How can I use the GCD of 389, 149, 905Calculator?
Out the numbers 389, 149, 905 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.