GCD of 555, 690, 390 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 555, 690, 390 quickly. Get the easiest ways to solve the greatest common divisor of 555, 690, 390 i.e 15 in different methods as follows.
Given Input numbers are 555, 690, 390
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 690 :
The positive integer divisors of 690 that completely divides 690 are.
1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
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
GCD of numbers is the greatest common divisor
So, the GCD (555, 690, 390) = 15.
Given numbers are 555, 690, 390
The list of prime factors of all numbers are
Prime factors of 555 are 3 x 5 x 37
Prime factors of 690 are 2 x 3 x 5 x 23
Prime factors of 390 are 2 x 3 x 5 x 13
The highest common occurrence is 31 x 51
Therefore, GCD of 555, 690, 390 is 15.
Steps to Calculate GCD of 555, 690, 390 using LCM Formula
Given numbers are 555, 690, 390
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(555, 690) = 25530
GCD(555, 690) = ( 555 x 690 ) / 25530
= 555 / 690
= 555
Step2:
LCM(15, 390) = 390
GCD(15, 390) = ( 15 x 390 ) / 390
= 15 / 390
= 15
So, Greatest Common Divisor of 555, 690, 390 is 15
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 555, 690, 390
Given numbers are 555, 690, 390
The greatest common divisor of numbers 555, 690, 390 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 555, 690, 390 is 15.
FAQs on GCD of 555, 690, 390 Calculator
1. What is the GCD of 555, 690, 390?
GCD of given numbers 555, 690, 390 is 15
2. How to calculate the greatest common divisor of 555, 690, 390?
We can find the highest common divisor of 555, 690, 390 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, 690, 390 i.e 15.
3. How can I use the GCD of 555, 690, 390Calculator?
Out the numbers 555, 690, 390 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.