Online GCD Calculator is useful to find the GCD of 842, 670, 489 quickly. Get the easiest ways to solve the greatest common divisor of 842, 670, 489 i.e 1 in different methods as follows.
Given Input numbers are 842, 670, 489
In the factoring method, we have to find the divisors of all numbers
Divisors of 842 :
The positive integer divisors of 842 that completely divides 842 are.
1, 2, 421, 842
Divisors of 670 :
The positive integer divisors of 670 that completely divides 670 are.
1, 2, 5, 10, 67, 134, 335, 670
Divisors of 489 :
The positive integer divisors of 489 that completely divides 489 are.
1, 3, 163, 489
GCD of numbers is the greatest common divisor
So, the GCD (842, 670, 489) = 1.
Given numbers are 842, 670, 489
The list of prime factors of all numbers are
Prime factors of 842 are 2 x 421
Prime factors of 670 are 2 x 5 x 67
Prime factors of 489 are 3 x 163
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 842, 670, 489
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(842, 670) = 282070
GCD(842, 670) = ( 842 x 670 ) / 282070
= 842 / 670
= 842
Step2:
LCM(2, 489) = 978
GCD(2, 489) = ( 2 x 489 ) / 978
= 2 / 489
= 2
So, Greatest Common Divisor of 842, 670, 489 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 842, 670, 489
The greatest common divisor of numbers 842, 670, 489 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 842, 670, 489 is 1.
1. What is the GCD of 842, 670, 489?
GCD of given numbers 842, 670, 489 is 1
2. How to calculate the greatest common divisor of 842, 670, 489?
We can find the highest common divisor of 842, 670, 489 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 842, 670, 489 i.e 1.
3. How can I use the GCD of 842, 670, 489Calculator?
Out the numbers 842, 670, 489 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.