Online GCD Calculator is useful to find the GCD of 539, 847, 420 quickly. Get the easiest ways to solve the greatest common divisor of 539, 847, 420 i.e 7 in different methods as follows.
Given Input numbers are 539, 847, 420
In the factoring method, we have to find the divisors of all numbers
Divisors of 539 :
The positive integer divisors of 539 that completely divides 539 are.
1, 7, 11, 49, 77, 539
Divisors of 847 :
The positive integer divisors of 847 that completely divides 847 are.
1, 7, 11, 77, 121, 847
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
GCD of numbers is the greatest common divisor
So, the GCD (539, 847, 420) = 7.
Given numbers are 539, 847, 420
The list of prime factors of all numbers are
Prime factors of 539 are 7 x 7 x 11
Prime factors of 847 are 7 x 11 x 11
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
The highest common occurrence is 71
Therefore, GCD of 539, 847, 420 is 7.
Given numbers are 539, 847, 420
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(539, 847) = 5929
GCD(539, 847) = ( 539 x 847 ) / 5929
= 539 / 847
= 539
Step2:
LCM(77, 420) = 4620
GCD(77, 420) = ( 77 x 420 ) / 4620
= 77 / 420
= 77
So, Greatest Common Divisor of 539, 847, 420 is 7
Here are some samples of GCD of Numbers calculations.
Given numbers are 539, 847, 420
The greatest common divisor of numbers 539, 847, 420 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 539, 847, 420 is 7.
1. What is the GCD of 539, 847, 420?
GCD of given numbers 539, 847, 420 is 7
2. How to calculate the greatest common divisor of 539, 847, 420?
We can find the highest common divisor of 539, 847, 420 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 539, 847, 420 i.e 7.
3. How can I use the GCD of 539, 847, 420Calculator?
Out the numbers 539, 847, 420 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.