Online GCD Calculator is useful to find the GCD of 386, 507, 21 quickly. Get the easiest ways to solve the greatest common divisor of 386, 507, 21 i.e 1 in different methods as follows.
Given Input numbers are 386, 507, 21
In the factoring method, we have to find the divisors of all numbers
Divisors of 386 :
The positive integer divisors of 386 that completely divides 386 are.
1, 2, 193, 386
Divisors of 507 :
The positive integer divisors of 507 that completely divides 507 are.
1, 3, 13, 39, 169, 507
Divisors of 21 :
The positive integer divisors of 21 that completely divides 21 are.
1, 3, 7, 21
GCD of numbers is the greatest common divisor
So, the GCD (386, 507, 21) = 1.
Given numbers are 386, 507, 21
The list of prime factors of all numbers are
Prime factors of 386 are 2 x 193
Prime factors of 507 are 3 x 13 x 13
Prime factors of 21 are 3 x 7
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 386, 507, 21
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(386, 507) = 195702
GCD(386, 507) = ( 386 x 507 ) / 195702
= 386 / 507
= 386
Step2:
LCM(1, 21) = 21
GCD(1, 21) = ( 1 x 21 ) / 21
= 1 / 21
= 1
So, Greatest Common Divisor of 386, 507, 21 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 386, 507, 21
The greatest common divisor of numbers 386, 507, 21 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 386, 507, 21 is 1.
1. What is the GCD of 386, 507, 21?
GCD of given numbers 386, 507, 21 is 1
2. How to calculate the greatest common divisor of 386, 507, 21?
We can find the highest common divisor of 386, 507, 21 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 386, 507, 21 i.e 1.
3. How can I use the GCD of 386, 507, 21Calculator?
Out the numbers 386, 507, 21 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.