Online GCD Calculator is useful to find the GCD of 555, 390, 392 quickly. Get the easiest ways to solve the greatest common divisor of 555, 390, 392 i.e 1 in different methods as follows.
Given Input numbers are 555, 390, 392
In the factoring method, we have to find the divisors of all numbers
Divisors of 555 :
The positive integer divisors of 555 that completely divides 555 are.
1, 3, 5, 15, 37, 111, 185, 555
Divisors of 390 :
The positive integer divisors of 390 that completely divides 390 are.
1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
Divisors of 392 :
The positive integer divisors of 392 that completely divides 392 are.
1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392
GCD of numbers is the greatest common divisor
So, the GCD (555, 390, 392) = 1.
Given numbers are 555, 390, 392
The list of prime factors of all numbers are
Prime factors of 555 are 3 x 5 x 37
Prime factors of 390 are 2 x 3 x 5 x 13
Prime factors of 392 are 2 x 2 x 2 x 7 x 7
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 555, 390, 392
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(555, 390) = 14430
GCD(555, 390) = ( 555 x 390 ) / 14430
= 555 / 390
= 555
Step2:
LCM(15, 392) = 5880
GCD(15, 392) = ( 15 x 392 ) / 5880
= 15 / 392
= 15
So, Greatest Common Divisor of 555, 390, 392 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 555, 390, 392
The greatest common divisor of numbers 555, 390, 392 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 555, 390, 392 is 1.
1. What is the GCD of 555, 390, 392?
GCD of given numbers 555, 390, 392 is 1
2. How to calculate the greatest common divisor of 555, 390, 392?
We can find the highest common divisor of 555, 390, 392 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 555, 390, 392 i.e 1.
3. How can I use the GCD of 555, 390, 392Calculator?
Out the numbers 555, 390, 392 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.