Online GCD Calculator is useful to find the GCD of 690, 385, 356, 430 quickly. Get the easiest ways to solve the greatest common divisor of 690, 385, 356, 430 i.e 1 in different methods as follows.
Given Input numbers are 690, 385, 356, 430
In the factoring method, we have to find the divisors of all numbers
Divisors of 690 :
The positive integer divisors of 690 that completely divides 690 are.
1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
Divisors of 385 :
The positive integer divisors of 385 that completely divides 385 are.
1, 5, 7, 11, 35, 55, 77, 385
Divisors of 356 :
The positive integer divisors of 356 that completely divides 356 are.
1, 2, 4, 89, 178, 356
Divisors of 430 :
The positive integer divisors of 430 that completely divides 430 are.
1, 2, 5, 10, 43, 86, 215, 430
GCD of numbers is the greatest common divisor
So, the GCD (690, 385, 356, 430) = 1.
Given numbers are 690, 385, 356, 430
The list of prime factors of all numbers are
Prime factors of 690 are 2 x 3 x 5 x 23
Prime factors of 385 are 5 x 7 x 11
Prime factors of 356 are 2 x 2 x 89
Prime factors of 430 are 2 x 5 x 43
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 690, 385, 356, 430
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(690, 385) = 53130
GCD(690, 385) = ( 690 x 385 ) / 53130
= 690 / 385
= 690
Step2:
LCM(5, 356) = 1780
GCD(5, 356) = ( 5 x 356 ) / 1780
= 5 / 356
= 5
Step3:
LCM(1, 430) = 430
GCD(1, 430) = ( 1 x 430 ) / 430
= 1 / 430
= 1
So, Greatest Common Divisor of 690, 385, 356, 430 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 690, 385, 356, 430
The greatest common divisor of numbers 690, 385, 356, 430 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 690, 385, 356, 430 is 1.
1. What is the GCD of 690, 385, 356, 430?
GCD of given numbers 690, 385, 356, 430 is 1
2. How to calculate the greatest common divisor of 690, 385, 356, 430?
We can find the highest common divisor of 690, 385, 356, 430 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 690, 385, 356, 430 i.e 1.
3. How can I use the GCD of 690, 385, 356, 430Calculator?
Out the numbers 690, 385, 356, 430 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.