Online GCD Calculator is useful to find the GCD of 687, 905, 480 quickly. Get the easiest ways to solve the greatest common divisor of 687, 905, 480 i.e 1 in different methods as follows.
Given Input numbers are 687, 905, 480
In the factoring method, we have to find the divisors of all numbers
Divisors of 687 :
The positive integer divisors of 687 that completely divides 687 are.
1, 3, 229, 687
Divisors of 905 :
The positive integer divisors of 905 that completely divides 905 are.
1, 5, 181, 905
Divisors of 480 :
The positive integer divisors of 480 that completely divides 480 are.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480
GCD of numbers is the greatest common divisor
So, the GCD (687, 905, 480) = 1.
Given numbers are 687, 905, 480
The list of prime factors of all numbers are
Prime factors of 687 are 3 x 229
Prime factors of 905 are 5 x 181
Prime factors of 480 are 2 x 2 x 2 x 2 x 2 x 3 x 5
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 687, 905, 480
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(687, 905) = 621735
GCD(687, 905) = ( 687 x 905 ) / 621735
= 687 / 905
= 687
Step2:
LCM(1, 480) = 480
GCD(1, 480) = ( 1 x 480 ) / 480
= 1 / 480
= 1
So, Greatest Common Divisor of 687, 905, 480 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 687, 905, 480
The greatest common divisor of numbers 687, 905, 480 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 687, 905, 480 is 1.
1. What is the GCD of 687, 905, 480?
GCD of given numbers 687, 905, 480 is 1
2. How to calculate the greatest common divisor of 687, 905, 480?
We can find the highest common divisor of 687, 905, 480 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 687, 905, 480 i.e 1.
3. How can I use the GCD of 687, 905, 480Calculator?
Out the numbers 687, 905, 480 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.