Online GCD Calculator is useful to find the GCD of 320, 815, 420, 909 quickly. Get the easiest ways to solve the greatest common divisor of 320, 815, 420, 909 i.e 1 in different methods as follows.
Given Input numbers are 320, 815, 420, 909
In the factoring method, we have to find the divisors of all numbers
Divisors of 320 :
The positive integer divisors of 320 that completely divides 320 are.
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320
Divisors of 815 :
The positive integer divisors of 815 that completely divides 815 are.
1, 5, 163, 815
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 909 :
The positive integer divisors of 909 that completely divides 909 are.
1, 3, 9, 101, 303, 909
GCD of numbers is the greatest common divisor
So, the GCD (320, 815, 420, 909) = 1.
Given numbers are 320, 815, 420, 909
The list of prime factors of all numbers are
Prime factors of 320 are 2 x 2 x 2 x 2 x 2 x 2 x 5
Prime factors of 815 are 5 x 163
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 909 are 3 x 3 x 101
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 320, 815, 420, 909
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(320, 815) = 52160
GCD(320, 815) = ( 320 x 815 ) / 52160
= 320 / 815
= 320
Step2:
LCM(5, 420) = 420
GCD(5, 420) = ( 5 x 420 ) / 420
= 5 / 420
= 5
Step3:
LCM(5, 909) = 4545
GCD(5, 909) = ( 5 x 909 ) / 4545
= 5 / 909
= 5
So, Greatest Common Divisor of 320, 815, 420, 909 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 320, 815, 420, 909
The greatest common divisor of numbers 320, 815, 420, 909 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 320, 815, 420, 909 is 1.
1. What is the GCD of 320, 815, 420, 909?
GCD of given numbers 320, 815, 420, 909 is 1
2. How to calculate the greatest common divisor of 320, 815, 420, 909?
We can find the highest common divisor of 320, 815, 420, 909 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 320, 815, 420, 909 i.e 1.
3. How can I use the GCD of 320, 815, 420, 909Calculator?
Out the numbers 320, 815, 420, 909 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.