Online GCD Calculator is useful to find the GCD of 234, 728, 420 quickly. Get the easiest ways to solve the greatest common divisor of 234, 728, 420 i.e 2 in different methods as follows.
Given Input numbers are 234, 728, 420
In the factoring method, we have to find the divisors of all numbers
Divisors of 234 :
The positive integer divisors of 234 that completely divides 234 are.
1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234
Divisors of 728 :
The positive integer divisors of 728 that completely divides 728 are.
1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728
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 (234, 728, 420) = 2.
Given numbers are 234, 728, 420
The list of prime factors of all numbers are
Prime factors of 234 are 2 x 3 x 3 x 13
Prime factors of 728 are 2 x 2 x 2 x 7 x 13
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
The highest common occurrence is 21
Therefore, GCD of 234, 728, 420 is 2.
Given numbers are 234, 728, 420
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(234, 728) = 6552
GCD(234, 728) = ( 234 x 728 ) / 6552
= 234 / 728
= 234
Step2:
LCM(26, 420) = 5460
GCD(26, 420) = ( 26 x 420 ) / 5460
= 26 / 420
= 26
So, Greatest Common Divisor of 234, 728, 420 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 234, 728, 420
The greatest common divisor of numbers 234, 728, 420 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 234, 728, 420 is 2.
1. What is the GCD of 234, 728, 420?
GCD of given numbers 234, 728, 420 is 2
2. How to calculate the greatest common divisor of 234, 728, 420?
We can find the highest common divisor of 234, 728, 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 234, 728, 420 i.e 2.
3. How can I use the GCD of 234, 728, 420Calculator?
Out the numbers 234, 728, 420 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.