Online GCD Calculator is useful to find the GCD of 120, 491, 821, 809 quickly. Get the easiest ways to solve the greatest common divisor of 120, 491, 821, 809 i.e 1 in different methods as follows.
Given Input numbers are 120, 491, 821, 809
In the factoring method, we have to find the divisors of all numbers
Divisors of 120 :
The positive integer divisors of 120 that completely divides 120 are.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
Divisors of 491 :
The positive integer divisors of 491 that completely divides 491 are.
1, 491
Divisors of 821 :
The positive integer divisors of 821 that completely divides 821 are.
1, 821
Divisors of 809 :
The positive integer divisors of 809 that completely divides 809 are.
1, 809
GCD of numbers is the greatest common divisor
So, the GCD (120, 491, 821, 809) = 1.
Given numbers are 120, 491, 821, 809
The list of prime factors of all numbers are
Prime factors of 120 are 2 x 2 x 2 x 3 x 5
Prime factors of 491 are 491
Prime factors of 821 are 821
Prime factors of 809 are 809
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 120, 491, 821, 809
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(120, 491) = 58920
GCD(120, 491) = ( 120 x 491 ) / 58920
= 120 / 491
= 120
Step2:
LCM(1, 821) = 821
GCD(1, 821) = ( 1 x 821 ) / 821
= 1 / 821
= 1
Step3:
LCM(1, 809) = 809
GCD(1, 809) = ( 1 x 809 ) / 809
= 1 / 809
= 1
So, Greatest Common Divisor of 120, 491, 821, 809 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 120, 491, 821, 809
The greatest common divisor of numbers 120, 491, 821, 809 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 120, 491, 821, 809 is 1.
1. What is the GCD of 120, 491, 821, 809?
GCD of given numbers 120, 491, 821, 809 is 1
2. How to calculate the greatest common divisor of 120, 491, 821, 809?
We can find the highest common divisor of 120, 491, 821, 809 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 120, 491, 821, 809 i.e 1.
3. How can I use the GCD of 120, 491, 821, 809Calculator?
Out the numbers 120, 491, 821, 809 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.