Online GCD Calculator is useful to find the GCD of 855, 721, 799 quickly. Get the easiest ways to solve the greatest common divisor of 855, 721, 799 i.e 1 in different methods as follows.
Given Input numbers are 855, 721, 799
In the factoring method, we have to find the divisors of all numbers
Divisors of 855 :
The positive integer divisors of 855 that completely divides 855 are.
1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855
Divisors of 721 :
The positive integer divisors of 721 that completely divides 721 are.
1, 7, 103, 721
Divisors of 799 :
The positive integer divisors of 799 that completely divides 799 are.
1, 17, 47, 799
GCD of numbers is the greatest common divisor
So, the GCD (855, 721, 799) = 1.
Given numbers are 855, 721, 799
The list of prime factors of all numbers are
Prime factors of 855 are 3 x 3 x 5 x 19
Prime factors of 721 are 7 x 103
Prime factors of 799 are 17 x 47
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 855, 721, 799
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(855, 721) = 616455
GCD(855, 721) = ( 855 x 721 ) / 616455
= 855 / 721
= 855
Step2:
LCM(1, 799) = 799
GCD(1, 799) = ( 1 x 799 ) / 799
= 1 / 799
= 1
So, Greatest Common Divisor of 855, 721, 799 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 855, 721, 799
The greatest common divisor of numbers 855, 721, 799 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 855, 721, 799 is 1.
1. What is the GCD of 855, 721, 799?
GCD of given numbers 855, 721, 799 is 1
2. How to calculate the greatest common divisor of 855, 721, 799?
We can find the highest common divisor of 855, 721, 799 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 855, 721, 799 i.e 1.
3. How can I use the GCD of 855, 721, 799Calculator?
Out the numbers 855, 721, 799 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.