Online GCD Calculator is useful to find the GCD of 868, 420, 530 quickly. Get the easiest ways to solve the greatest common divisor of 868, 420, 530 i.e 2 in different methods as follows.
Given Input numbers are 868, 420, 530
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 420 :
The positive integer divisors of 420 that completely divides 420 are.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
Divisors of 530 :
The positive integer divisors of 530 that completely divides 530 are.
1, 2, 5, 10, 53, 106, 265, 530
GCD of numbers is the greatest common divisor
So, the GCD (868, 420, 530) = 2.
Given numbers are 868, 420, 530
The list of prime factors of all numbers are
Prime factors of 868 are 2 x 2 x 7 x 31
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 530 are 2 x 5 x 53
The highest common occurrence is 21
Therefore, GCD of 868, 420, 530 is 2.
Given numbers are 868, 420, 530
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(868, 420) = 13020
GCD(868, 420) = ( 868 x 420 ) / 13020
= 868 / 420
= 868
Step2:
LCM(28, 530) = 7420
GCD(28, 530) = ( 28 x 530 ) / 7420
= 28 / 530
= 28
So, Greatest Common Divisor of 868, 420, 530 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 868, 420, 530
The greatest common divisor of numbers 868, 420, 530 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 868, 420, 530 is 2.
1. What is the GCD of 868, 420, 530?
GCD of given numbers 868, 420, 530 is 2
2. How to calculate the greatest common divisor of 868, 420, 530?
We can find the highest common divisor of 868, 420, 530 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, 420, 530 i.e 2.
3. How can I use the GCD of 868, 420, 530Calculator?
Out the numbers 868, 420, 530 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.