Online GCD Calculator is useful to find the GCD of 981, 840, 558 quickly. Get the easiest ways to solve the greatest common divisor of 981, 840, 558 i.e 3 in different methods as follows.
Given Input numbers are 981, 840, 558
In the factoring method, we have to find the divisors of all numbers
Divisors of 981 :
The positive integer divisors of 981 that completely divides 981 are.
1, 3, 9, 109, 327, 981
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 558 :
The positive integer divisors of 558 that completely divides 558 are.
1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558
GCD of numbers is the greatest common divisor
So, the GCD (981, 840, 558) = 3.
Given numbers are 981, 840, 558
The list of prime factors of all numbers are
Prime factors of 981 are 3 x 3 x 109
Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7
Prime factors of 558 are 2 x 3 x 3 x 31
The highest common occurrence is 31
Therefore, GCD of 981, 840, 558 is 3.
Given numbers are 981, 840, 558
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(981, 840) = 274680
GCD(981, 840) = ( 981 x 840 ) / 274680
= 981 / 840
= 981
Step2:
LCM(3, 558) = 558
GCD(3, 558) = ( 3 x 558 ) / 558
= 3 / 558
= 3
So, Greatest Common Divisor of 981, 840, 558 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 981, 840, 558
The greatest common divisor of numbers 981, 840, 558 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 981, 840, 558 is 3.
1. What is the GCD of 981, 840, 558?
GCD of given numbers 981, 840, 558 is 3
2. How to calculate the greatest common divisor of 981, 840, 558?
We can find the highest common divisor of 981, 840, 558 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 981, 840, 558 i.e 3.
3. How can I use the GCD of 981, 840, 558Calculator?
Out the numbers 981, 840, 558 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.