Online GCD Calculator is useful to find the GCD of 379, 646, 42 quickly. Get the easiest ways to solve the greatest common divisor of 379, 646, 42 i.e 1 in different methods as follows.
Given Input numbers are 379, 646, 42
In the factoring method, we have to find the divisors of all numbers
Divisors of 379 :
The positive integer divisors of 379 that completely divides 379 are.
1, 379
Divisors of 646 :
The positive integer divisors of 646 that completely divides 646 are.
1, 2, 17, 19, 34, 38, 323, 646
Divisors of 42 :
The positive integer divisors of 42 that completely divides 42 are.
1, 2, 3, 6, 7, 14, 21, 42
GCD of numbers is the greatest common divisor
So, the GCD (379, 646, 42) = 1.
Given numbers are 379, 646, 42
The list of prime factors of all numbers are
Prime factors of 379 are 379
Prime factors of 646 are 2 x 17 x 19
Prime factors of 42 are 2 x 3 x 7
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 379, 646, 42
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(379, 646) = 244834
GCD(379, 646) = ( 379 x 646 ) / 244834
= 379 / 646
= 379
Step2:
LCM(1, 42) = 42
GCD(1, 42) = ( 1 x 42 ) / 42
= 1 / 42
= 1
So, Greatest Common Divisor of 379, 646, 42 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 379, 646, 42
The greatest common divisor of numbers 379, 646, 42 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 379, 646, 42 is 1.
1. What is the GCD of 379, 646, 42?
GCD of given numbers 379, 646, 42 is 1
2. How to calculate the greatest common divisor of 379, 646, 42?
We can find the highest common divisor of 379, 646, 42 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 379, 646, 42 i.e 1.
3. How can I use the GCD of 379, 646, 42Calculator?
Out the numbers 379, 646, 42 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.