Online GCD Calculator is useful to find the GCD of 428, 237, 691 quickly. Get the easiest ways to solve the greatest common divisor of 428, 237, 691 i.e 1 in different methods as follows.
Given Input numbers are 428, 237, 691
In the factoring method, we have to find the divisors of all numbers
Divisors of 428 :
The positive integer divisors of 428 that completely divides 428 are.
1, 2, 4, 107, 214, 428
Divisors of 237 :
The positive integer divisors of 237 that completely divides 237 are.
1, 3, 79, 237
Divisors of 691 :
The positive integer divisors of 691 that completely divides 691 are.
1, 691
GCD of numbers is the greatest common divisor
So, the GCD (428, 237, 691) = 1.
Given numbers are 428, 237, 691
The list of prime factors of all numbers are
Prime factors of 428 are 2 x 2 x 107
Prime factors of 237 are 3 x 79
Prime factors of 691 are 691
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 428, 237, 691
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(428, 237) = 101436
GCD(428, 237) = ( 428 x 237 ) / 101436
= 428 / 237
= 428
Step2:
LCM(1, 691) = 691
GCD(1, 691) = ( 1 x 691 ) / 691
= 1 / 691
= 1
So, Greatest Common Divisor of 428, 237, 691 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 428, 237, 691
The greatest common divisor of numbers 428, 237, 691 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 428, 237, 691 is 1.
1. What is the GCD of 428, 237, 691?
GCD of given numbers 428, 237, 691 is 1
2. How to calculate the greatest common divisor of 428, 237, 691?
We can find the highest common divisor of 428, 237, 691 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 428, 237, 691 i.e 1.
3. How can I use the GCD of 428, 237, 691Calculator?
Out the numbers 428, 237, 691 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.