Online GCD Calculator is useful to find the GCD of 418, 840, 393 quickly. Get the easiest ways to solve the greatest common divisor of 418, 840, 393 i.e 1 in different methods as follows.
Given Input numbers are 418, 840, 393
In the factoring method, we have to find the divisors of all numbers
Divisors of 418 :
The positive integer divisors of 418 that completely divides 418 are.
1, 2, 11, 19, 22, 38, 209, 418
Divisors of 840 :
The positive integer divisors of 840 that completely divides 840 are.
1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
Divisors of 393 :
The positive integer divisors of 393 that completely divides 393 are.
1, 3, 131, 393
GCD of numbers is the greatest common divisor
So, the GCD (418, 840, 393) = 1.
Given numbers are 418, 840, 393
The list of prime factors of all numbers are
Prime factors of 418 are 2 x 11 x 19
Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7
Prime factors of 393 are 3 x 131
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 418, 840, 393
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(418, 840) = 175560
GCD(418, 840) = ( 418 x 840 ) / 175560
= 418 / 840
= 418
Step2:
LCM(2, 393) = 786
GCD(2, 393) = ( 2 x 393 ) / 786
= 2 / 393
= 2
So, Greatest Common Divisor of 418, 840, 393 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 418, 840, 393
The greatest common divisor of numbers 418, 840, 393 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 418, 840, 393 is 1.
1. What is the GCD of 418, 840, 393?
GCD of given numbers 418, 840, 393 is 1
2. How to calculate the greatest common divisor of 418, 840, 393?
We can find the highest common divisor of 418, 840, 393 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 418, 840, 393 i.e 1.
3. How can I use the GCD of 418, 840, 393Calculator?
Out the numbers 418, 840, 393 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.