Online GCD Calculator is useful to find the GCD of 671, 169, 20 quickly. Get the easiest ways to solve the greatest common divisor of 671, 169, 20 i.e 1 in different methods as follows.
Given Input numbers are 671, 169, 20
In the factoring method, we have to find the divisors of all numbers
Divisors of 671 :
The positive integer divisors of 671 that completely divides 671 are.
1, 11, 61, 671
Divisors of 169 :
The positive integer divisors of 169 that completely divides 169 are.
1, 13, 169
Divisors of 20 :
The positive integer divisors of 20 that completely divides 20 are.
1, 2, 4, 5, 10, 20
GCD of numbers is the greatest common divisor
So, the GCD (671, 169, 20) = 1.
Given numbers are 671, 169, 20
The list of prime factors of all numbers are
Prime factors of 671 are 11 x 61
Prime factors of 169 are 13 x 13
Prime factors of 20 are 2 x 2 x 5
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 671, 169, 20
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(671, 169) = 113399
GCD(671, 169) = ( 671 x 169 ) / 113399
= 671 / 169
= 671
Step2:
LCM(1, 20) = 20
GCD(1, 20) = ( 1 x 20 ) / 20
= 1 / 20
= 1
So, Greatest Common Divisor of 671, 169, 20 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 671, 169, 20
The greatest common divisor of numbers 671, 169, 20 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 671, 169, 20 is 1.
1. What is the GCD of 671, 169, 20?
GCD of given numbers 671, 169, 20 is 1
2. How to calculate the greatest common divisor of 671, 169, 20?
We can find the highest common divisor of 671, 169, 20 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 671, 169, 20 i.e 1.
3. How can I use the GCD of 671, 169, 20Calculator?
Out the numbers 671, 169, 20 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.