Online GCD Calculator is useful to find the GCD of 747, 390, 943, 836 quickly. Get the easiest ways to solve the greatest common divisor of 747, 390, 943, 836 i.e 1 in different methods as follows.
Given Input numbers are 747, 390, 943, 836
In the factoring method, we have to find the divisors of all numbers
Divisors of 747 :
The positive integer divisors of 747 that completely divides 747 are.
1, 3, 9, 83, 249, 747
Divisors of 390 :
The positive integer divisors of 390 that completely divides 390 are.
1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
Divisors of 943 :
The positive integer divisors of 943 that completely divides 943 are.
1, 23, 41, 943
Divisors of 836 :
The positive integer divisors of 836 that completely divides 836 are.
1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836
GCD of numbers is the greatest common divisor
So, the GCD (747, 390, 943, 836) = 1.
Given numbers are 747, 390, 943, 836
The list of prime factors of all numbers are
Prime factors of 747 are 3 x 3 x 83
Prime factors of 390 are 2 x 3 x 5 x 13
Prime factors of 943 are 23 x 41
Prime factors of 836 are 2 x 2 x 11 x 19
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 747, 390, 943, 836
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(747, 390) = 97110
GCD(747, 390) = ( 747 x 390 ) / 97110
= 747 / 390
= 747
Step2:
LCM(3, 943) = 2829
GCD(3, 943) = ( 3 x 943 ) / 2829
= 3 / 943
= 3
Step3:
LCM(1, 836) = 836
GCD(1, 836) = ( 1 x 836 ) / 836
= 1 / 836
= 1
So, Greatest Common Divisor of 747, 390, 943, 836 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 747, 390, 943, 836
The greatest common divisor of numbers 747, 390, 943, 836 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 747, 390, 943, 836 is 1.
1. What is the GCD of 747, 390, 943, 836?
GCD of given numbers 747, 390, 943, 836 is 1
2. How to calculate the greatest common divisor of 747, 390, 943, 836?
We can find the highest common divisor of 747, 390, 943, 836 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 747, 390, 943, 836 i.e 1.
3. How can I use the GCD of 747, 390, 943, 836Calculator?
Out the numbers 747, 390, 943, 836 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.