Online GCD Calculator is useful to find the GCD of 877, 561, 721 quickly. Get the easiest ways to solve the greatest common divisor of 877, 561, 721 i.e 1 in different methods as follows.
Given Input numbers are 877, 561, 721
In the factoring method, we have to find the divisors of all numbers
Divisors of 877 :
The positive integer divisors of 877 that completely divides 877 are.
1, 877
Divisors of 561 :
The positive integer divisors of 561 that completely divides 561 are.
1, 3, 11, 17, 33, 51, 187, 561
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 (877, 561, 721) = 1.
Given numbers are 877, 561, 721
The list of prime factors of all numbers are
Prime factors of 877 are 877
Prime factors of 561 are 3 x 11 x 17
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 877, 561, 721
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(877, 561) = 491997
GCD(877, 561) = ( 877 x 561 ) / 491997
= 877 / 561
= 877
Step2:
LCM(1, 721) = 721
GCD(1, 721) = ( 1 x 721 ) / 721
= 1 / 721
= 1
So, Greatest Common Divisor of 877, 561, 721 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 877, 561, 721
The greatest common divisor of numbers 877, 561, 721 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 877, 561, 721 is 1.
1. What is the GCD of 877, 561, 721?
GCD of given numbers 877, 561, 721 is 1
2. How to calculate the greatest common divisor of 877, 561, 721?
We can find the highest common divisor of 877, 561, 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 877, 561, 721 i.e 1.
3. How can I use the GCD of 877, 561, 721Calculator?
Out the numbers 877, 561, 721 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.