Online GCD Calculator is useful to find the GCD of 868, 390, 279 quickly. Get the easiest ways to solve the greatest common divisor of 868, 390, 279 i.e 1 in different methods as follows.
Given Input numbers are 868, 390, 279
In the factoring method, we have to find the divisors of all numbers
Divisors of 868 :
The positive integer divisors of 868 that completely divides 868 are.
1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868
Divisors of 390 :
The positive integer divisors of 390 that completely divides 390 are.
1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
Divisors of 279 :
The positive integer divisors of 279 that completely divides 279 are.
1, 3, 9, 31, 93, 279
GCD of numbers is the greatest common divisor
So, the GCD (868, 390, 279) = 1.
Given numbers are 868, 390, 279
The list of prime factors of all numbers are
Prime factors of 868 are 2 x 2 x 7 x 31
Prime factors of 390 are 2 x 3 x 5 x 13
Prime factors of 279 are 3 x 3 x 31
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 868, 390, 279
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(868, 390) = 169260
GCD(868, 390) = ( 868 x 390 ) / 169260
= 868 / 390
= 868
Step2:
LCM(2, 279) = 558
GCD(2, 279) = ( 2 x 279 ) / 558
= 2 / 279
= 2
So, Greatest Common Divisor of 868, 390, 279 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 868, 390, 279
The greatest common divisor of numbers 868, 390, 279 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 868, 390, 279 is 1.
1. What is the GCD of 868, 390, 279?
GCD of given numbers 868, 390, 279 is 1
2. How to calculate the greatest common divisor of 868, 390, 279?
We can find the highest common divisor of 868, 390, 279 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 868, 390, 279 i.e 1.
3. How can I use the GCD of 868, 390, 279Calculator?
Out the numbers 868, 390, 279 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.