Online GCD Calculator is useful to find the GCD of 777, 309, 155 quickly. Get the easiest ways to solve the greatest common divisor of 777, 309, 155 i.e 1 in different methods as follows.
Given Input numbers are 777, 309, 155
In the factoring method, we have to find the divisors of all numbers
Divisors of 777 :
The positive integer divisors of 777 that completely divides 777 are.
1, 3, 7, 21, 37, 111, 259, 777
Divisors of 309 :
The positive integer divisors of 309 that completely divides 309 are.
1, 3, 103, 309
Divisors of 155 :
The positive integer divisors of 155 that completely divides 155 are.
1, 5, 31, 155
GCD of numbers is the greatest common divisor
So, the GCD (777, 309, 155) = 1.
Given numbers are 777, 309, 155
The list of prime factors of all numbers are
Prime factors of 777 are 3 x 7 x 37
Prime factors of 309 are 3 x 103
Prime factors of 155 are 5 x 31
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 777, 309, 155
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(777, 309) = 80031
GCD(777, 309) = ( 777 x 309 ) / 80031
= 777 / 309
= 777
Step2:
LCM(3, 155) = 465
GCD(3, 155) = ( 3 x 155 ) / 465
= 3 / 155
= 3
So, Greatest Common Divisor of 777, 309, 155 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 777, 309, 155
The greatest common divisor of numbers 777, 309, 155 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 777, 309, 155 is 1.
1. What is the GCD of 777, 309, 155?
GCD of given numbers 777, 309, 155 is 1
2. How to calculate the greatest common divisor of 777, 309, 155?
We can find the highest common divisor of 777, 309, 155 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 777, 309, 155 i.e 1.
3. How can I use the GCD of 777, 309, 155Calculator?
Out the numbers 777, 309, 155 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.