Online GCD Calculator is useful to find the GCD of 340, 420, 810 quickly. Get the easiest ways to solve the greatest common divisor of 340, 420, 810 i.e 10 in different methods as follows.
Given Input numbers are 340, 420, 810
In the factoring method, we have to find the divisors of all numbers
Divisors of 340 :
The positive integer divisors of 340 that completely divides 340 are.
1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340
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 810 :
The positive integer divisors of 810 that completely divides 810 are.
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810
GCD of numbers is the greatest common divisor
So, the GCD (340, 420, 810) = 10.
Given numbers are 340, 420, 810
The list of prime factors of all numbers are
Prime factors of 340 are 2 x 2 x 5 x 17
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 810 are 2 x 3 x 3 x 3 x 3 x 5
The highest common occurrence is 21 x 51
Therefore, GCD of 340, 420, 810 is 10.
Given numbers are 340, 420, 810
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(340, 420) = 7140
GCD(340, 420) = ( 340 x 420 ) / 7140
= 340 / 420
= 340
Step2:
LCM(20, 810) = 1620
GCD(20, 810) = ( 20 x 810 ) / 1620
= 20 / 810
= 20
So, Greatest Common Divisor of 340, 420, 810 is 10
Here are some samples of GCD of Numbers calculations.
Given numbers are 340, 420, 810
The greatest common divisor of numbers 340, 420, 810 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 340, 420, 810 is 10.
1. What is the GCD of 340, 420, 810?
GCD of given numbers 340, 420, 810 is 10
2. How to calculate the greatest common divisor of 340, 420, 810?
We can find the highest common divisor of 340, 420, 810 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 340, 420, 810 i.e 10.
3. How can I use the GCD of 340, 420, 810Calculator?
Out the numbers 340, 420, 810 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.