Online GCD Calculator is useful to find the GCD of 445, 390, 109 quickly. Get the easiest ways to solve the greatest common divisor of 445, 390, 109 i.e 1 in different methods as follows.
Given Input numbers are 445, 390, 109
In the factoring method, we have to find the divisors of all numbers
Divisors of 445 :
The positive integer divisors of 445 that completely divides 445 are.
1, 5, 89, 445
Divisors of 390 :
The positive integer divisors of 390 that completely divides 390 are.
1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
Divisors of 109 :
The positive integer divisors of 109 that completely divides 109 are.
1, 109
GCD of numbers is the greatest common divisor
So, the GCD (445, 390, 109) = 1.
Given numbers are 445, 390, 109
The list of prime factors of all numbers are
Prime factors of 445 are 5 x 89
Prime factors of 390 are 2 x 3 x 5 x 13
Prime factors of 109 are 109
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 445, 390, 109
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(445, 390) = 34710
GCD(445, 390) = ( 445 x 390 ) / 34710
= 445 / 390
= 445
Step2:
LCM(5, 109) = 545
GCD(5, 109) = ( 5 x 109 ) / 545
= 5 / 109
= 5
So, Greatest Common Divisor of 445, 390, 109 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 445, 390, 109
The greatest common divisor of numbers 445, 390, 109 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 445, 390, 109 is 1.
1. What is the GCD of 445, 390, 109?
GCD of given numbers 445, 390, 109 is 1
2. How to calculate the greatest common divisor of 445, 390, 109?
We can find the highest common divisor of 445, 390, 109 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 445, 390, 109 i.e 1.
3. How can I use the GCD of 445, 390, 109Calculator?
Out the numbers 445, 390, 109 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.