Online GCD Calculator is useful to find the GCD of 797, 780, 57 quickly. Get the easiest ways to solve the greatest common divisor of 797, 780, 57 i.e 1 in different methods as follows.
Given Input numbers are 797, 780, 57
In the factoring method, we have to find the divisors of all numbers
Divisors of 797 :
The positive integer divisors of 797 that completely divides 797 are.
1, 797
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 57 :
The positive integer divisors of 57 that completely divides 57 are.
1, 3, 19, 57
GCD of numbers is the greatest common divisor
So, the GCD (797, 780, 57) = 1.
Given numbers are 797, 780, 57
The list of prime factors of all numbers are
Prime factors of 797 are 797
Prime factors of 780 are 2 x 2 x 3 x 5 x 13
Prime factors of 57 are 3 x 19
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 797, 780, 57
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(797, 780) = 621660
GCD(797, 780) = ( 797 x 780 ) / 621660
= 797 / 780
= 797
Step2:
LCM(1, 57) = 57
GCD(1, 57) = ( 1 x 57 ) / 57
= 1 / 57
= 1
So, Greatest Common Divisor of 797, 780, 57 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 797, 780, 57
The greatest common divisor of numbers 797, 780, 57 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 797, 780, 57 is 1.
1. What is the GCD of 797, 780, 57?
GCD of given numbers 797, 780, 57 is 1
2. How to calculate the greatest common divisor of 797, 780, 57?
We can find the highest common divisor of 797, 780, 57 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 797, 780, 57 i.e 1.
3. How can I use the GCD of 797, 780, 57Calculator?
Out the numbers 797, 780, 57 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.