Online GCD Calculator is useful to find the GCD of 389, 420, 118 quickly. Get the easiest ways to solve the greatest common divisor of 389, 420, 118 i.e 1 in different methods as follows.
Given Input numbers are 389, 420, 118
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 420 :
The positive integer divisors of 420 that completely divides 420 are.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
Divisors of 118 :
The positive integer divisors of 118 that completely divides 118 are.
1, 2, 59, 118
GCD of numbers is the greatest common divisor
So, the GCD (389, 420, 118) = 1.
Given numbers are 389, 420, 118
The list of prime factors of all numbers are
Prime factors of 389 are 389
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 118 are 2 x 59
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 389, 420, 118
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(389, 420) = 163380
GCD(389, 420) = ( 389 x 420 ) / 163380
= 389 / 420
= 389
Step2:
LCM(1, 118) = 118
GCD(1, 118) = ( 1 x 118 ) / 118
= 1 / 118
= 1
So, Greatest Common Divisor of 389, 420, 118 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 389, 420, 118
The greatest common divisor of numbers 389, 420, 118 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 389, 420, 118 is 1.
1. What is the GCD of 389, 420, 118?
GCD of given numbers 389, 420, 118 is 1
2. How to calculate the greatest common divisor of 389, 420, 118?
We can find the highest common divisor of 389, 420, 118 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, 420, 118 i.e 1.
3. How can I use the GCD of 389, 420, 118Calculator?
Out the numbers 389, 420, 118 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.