Online GCD Calculator is useful to find the GCD of 771, 909, 655, 168 quickly. Get the easiest ways to solve the greatest common divisor of 771, 909, 655, 168 i.e 1 in different methods as follows.
Given Input numbers are 771, 909, 655, 168
In the factoring method, we have to find the divisors of all numbers
Divisors of 771 :
The positive integer divisors of 771 that completely divides 771 are.
1, 3, 257, 771
Divisors of 909 :
The positive integer divisors of 909 that completely divides 909 are.
1, 3, 9, 101, 303, 909
Divisors of 655 :
The positive integer divisors of 655 that completely divides 655 are.
1, 5, 131, 655
Divisors of 168 :
The positive integer divisors of 168 that completely divides 168 are.
1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168
GCD of numbers is the greatest common divisor
So, the GCD (771, 909, 655, 168) = 1.
Given numbers are 771, 909, 655, 168
The list of prime factors of all numbers are
Prime factors of 771 are 3 x 257
Prime factors of 909 are 3 x 3 x 101
Prime factors of 655 are 5 x 131
Prime factors of 168 are 2 x 2 x 2 x 3 x 7
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 771, 909, 655, 168
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(771, 909) = 233613
GCD(771, 909) = ( 771 x 909 ) / 233613
= 771 / 909
= 771
Step2:
LCM(3, 655) = 1965
GCD(3, 655) = ( 3 x 655 ) / 1965
= 3 / 655
= 3
Step3:
LCM(1, 168) = 168
GCD(1, 168) = ( 1 x 168 ) / 168
= 1 / 168
= 1
So, Greatest Common Divisor of 771, 909, 655, 168 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 771, 909, 655, 168
The greatest common divisor of numbers 771, 909, 655, 168 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 771, 909, 655, 168 is 1.
1. What is the GCD of 771, 909, 655, 168?
GCD of given numbers 771, 909, 655, 168 is 1
2. How to calculate the greatest common divisor of 771, 909, 655, 168?
We can find the highest common divisor of 771, 909, 655, 168 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 771, 909, 655, 168 i.e 1.
3. How can I use the GCD of 771, 909, 655, 168Calculator?
Out the numbers 771, 909, 655, 168 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.