Online GCD Calculator is useful to find the GCD of 620, 780, 468, 721 quickly. Get the easiest ways to solve the greatest common divisor of 620, 780, 468, 721 i.e 1 in different methods as follows.
Given Input numbers are 620, 780, 468, 721
In the factoring method, we have to find the divisors of all numbers
Divisors of 620 :
The positive integer divisors of 620 that completely divides 620 are.
1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620
Divisors of 780 :
The positive integer divisors of 780 that completely divides 780 are.
1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
Divisors of 468 :
The positive integer divisors of 468 that completely divides 468 are.
1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468
Divisors of 721 :
The positive integer divisors of 721 that completely divides 721 are.
1, 7, 103, 721
GCD of numbers is the greatest common divisor
So, the GCD (620, 780, 468, 721) = 1.
Given numbers are 620, 780, 468, 721
The list of prime factors of all numbers are
Prime factors of 620 are 2 x 2 x 5 x 31
Prime factors of 780 are 2 x 2 x 3 x 5 x 13
Prime factors of 468 are 2 x 2 x 3 x 3 x 13
Prime factors of 721 are 7 x 103
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 620, 780, 468, 721
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(620, 780) = 24180
GCD(620, 780) = ( 620 x 780 ) / 24180
= 620 / 780
= 620
Step2:
LCM(20, 468) = 2340
GCD(20, 468) = ( 20 x 468 ) / 2340
= 20 / 468
= 20
Step3:
LCM(4, 721) = 2884
GCD(4, 721) = ( 4 x 721 ) / 2884
= 4 / 721
= 4
So, Greatest Common Divisor of 620, 780, 468, 721 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 620, 780, 468, 721
The greatest common divisor of numbers 620, 780, 468, 721 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 620, 780, 468, 721 is 1.
1. What is the GCD of 620, 780, 468, 721?
GCD of given numbers 620, 780, 468, 721 is 1
2. How to calculate the greatest common divisor of 620, 780, 468, 721?
We can find the highest common divisor of 620, 780, 468, 721 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 620, 780, 468, 721 i.e 1.
3. How can I use the GCD of 620, 780, 468, 721Calculator?
Out the numbers 620, 780, 468, 721 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.