Online GCD Calculator is useful to find the GCD of 663, 123, 71 quickly. Get the easiest ways to solve the greatest common divisor of 663, 123, 71 i.e 1 in different methods as follows.
Given Input numbers are 663, 123, 71
In the factoring method, we have to find the divisors of all numbers
Divisors of 663 :
The positive integer divisors of 663 that completely divides 663 are.
1, 3, 13, 17, 39, 51, 221, 663
Divisors of 123 :
The positive integer divisors of 123 that completely divides 123 are.
1, 3, 41, 123
Divisors of 71 :
The positive integer divisors of 71 that completely divides 71 are.
1, 71
GCD of numbers is the greatest common divisor
So, the GCD (663, 123, 71) = 1.
Given numbers are 663, 123, 71
The list of prime factors of all numbers are
Prime factors of 663 are 3 x 13 x 17
Prime factors of 123 are 3 x 41
Prime factors of 71 are 71
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 663, 123, 71
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(663, 123) = 27183
GCD(663, 123) = ( 663 x 123 ) / 27183
= 663 / 123
= 663
Step2:
LCM(3, 71) = 213
GCD(3, 71) = ( 3 x 71 ) / 213
= 3 / 71
= 3
So, Greatest Common Divisor of 663, 123, 71 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 663, 123, 71
The greatest common divisor of numbers 663, 123, 71 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 663, 123, 71 is 1.
1. What is the GCD of 663, 123, 71?
GCD of given numbers 663, 123, 71 is 1
2. How to calculate the greatest common divisor of 663, 123, 71?
We can find the highest common divisor of 663, 123, 71 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 663, 123, 71 i.e 1.
3. How can I use the GCD of 663, 123, 71Calculator?
Out the numbers 663, 123, 71 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.