Online GCD Calculator is useful to find the GCD of 819, 790, 920 quickly. Get the easiest ways to solve the greatest common divisor of 819, 790, 920 i.e 1 in different methods as follows.
Given Input numbers are 819, 790, 920
In the factoring method, we have to find the divisors of all numbers
Divisors of 819 :
The positive integer divisors of 819 that completely divides 819 are.
1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819
Divisors of 790 :
The positive integer divisors of 790 that completely divides 790 are.
1, 2, 5, 10, 79, 158, 395, 790
Divisors of 920 :
The positive integer divisors of 920 that completely divides 920 are.
1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920
GCD of numbers is the greatest common divisor
So, the GCD (819, 790, 920) = 1.
Given numbers are 819, 790, 920
The list of prime factors of all numbers are
Prime factors of 819 are 3 x 3 x 7 x 13
Prime factors of 790 are 2 x 5 x 79
Prime factors of 920 are 2 x 2 x 2 x 5 x 23
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 819, 790, 920
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(819, 790) = 647010
GCD(819, 790) = ( 819 x 790 ) / 647010
= 819 / 790
= 819
Step2:
LCM(1, 920) = 920
GCD(1, 920) = ( 1 x 920 ) / 920
= 1 / 920
= 1
So, Greatest Common Divisor of 819, 790, 920 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 819, 790, 920
The greatest common divisor of numbers 819, 790, 920 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 819, 790, 920 is 1.
1. What is the GCD of 819, 790, 920?
GCD of given numbers 819, 790, 920 is 1
2. How to calculate the greatest common divisor of 819, 790, 920?
We can find the highest common divisor of 819, 790, 920 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 819, 790, 920 i.e 1.
3. How can I use the GCD of 819, 790, 920Calculator?
Out the numbers 819, 790, 920 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.