Online GCD Calculator is useful to find the GCD of 120, 918, 687 quickly. Get the easiest ways to solve the greatest common divisor of 120, 918, 687 i.e 3 in different methods as follows.
Given Input numbers are 120, 918, 687
In the factoring method, we have to find the divisors of all numbers
Divisors of 120 :
The positive integer divisors of 120 that completely divides 120 are.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
Divisors of 918 :
The positive integer divisors of 918 that completely divides 918 are.
1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918
Divisors of 687 :
The positive integer divisors of 687 that completely divides 687 are.
1, 3, 229, 687
GCD of numbers is the greatest common divisor
So, the GCD (120, 918, 687) = 3.
Given numbers are 120, 918, 687
The list of prime factors of all numbers are
Prime factors of 120 are 2 x 2 x 2 x 3 x 5
Prime factors of 918 are 2 x 3 x 3 x 3 x 17
Prime factors of 687 are 3 x 229
The highest common occurrence is 31
Therefore, GCD of 120, 918, 687 is 3.
Given numbers are 120, 918, 687
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(120, 918) = 18360
GCD(120, 918) = ( 120 x 918 ) / 18360
= 120 / 918
= 120
Step2:
LCM(6, 687) = 1374
GCD(6, 687) = ( 6 x 687 ) / 1374
= 6 / 687
= 6
So, Greatest Common Divisor of 120, 918, 687 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 120, 918, 687
The greatest common divisor of numbers 120, 918, 687 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 120, 918, 687 is 3.
1. What is the GCD of 120, 918, 687?
GCD of given numbers 120, 918, 687 is 3
2. How to calculate the greatest common divisor of 120, 918, 687?
We can find the highest common divisor of 120, 918, 687 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 120, 918, 687 i.e 3.
3. How can I use the GCD of 120, 918, 687Calculator?
Out the numbers 120, 918, 687 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.