Online GCD Calculator is useful to find the GCD of 705, 380, 405 quickly. Get the easiest ways to solve the greatest common divisor of 705, 380, 405 i.e 5 in different methods as follows.
Given Input numbers are 705, 380, 405
In the factoring method, we have to find the divisors of all numbers
Divisors of 705 :
The positive integer divisors of 705 that completely divides 705 are.
1, 3, 5, 15, 47, 141, 235, 705
Divisors of 380 :
The positive integer divisors of 380 that completely divides 380 are.
1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380
Divisors of 405 :
The positive integer divisors of 405 that completely divides 405 are.
1, 3, 5, 9, 15, 27, 45, 81, 135, 405
GCD of numbers is the greatest common divisor
So, the GCD (705, 380, 405) = 5.
Given numbers are 705, 380, 405
The list of prime factors of all numbers are
Prime factors of 705 are 3 x 5 x 47
Prime factors of 380 are 2 x 2 x 5 x 19
Prime factors of 405 are 3 x 3 x 3 x 3 x 5
The highest common occurrence is 51
Therefore, GCD of 705, 380, 405 is 5.
Given numbers are 705, 380, 405
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(705, 380) = 53580
GCD(705, 380) = ( 705 x 380 ) / 53580
= 705 / 380
= 705
Step2:
LCM(5, 405) = 405
GCD(5, 405) = ( 5 x 405 ) / 405
= 5 / 405
= 5
So, Greatest Common Divisor of 705, 380, 405 is 5
Here are some samples of GCD of Numbers calculations.
Given numbers are 705, 380, 405
The greatest common divisor of numbers 705, 380, 405 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 705, 380, 405 is 5.
1. What is the GCD of 705, 380, 405?
GCD of given numbers 705, 380, 405 is 5
2. How to calculate the greatest common divisor of 705, 380, 405?
We can find the highest common divisor of 705, 380, 405 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 705, 380, 405 i.e 5.
3. How can I use the GCD of 705, 380, 405Calculator?
Out the numbers 705, 380, 405 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.