Online GCD Calculator is useful to find the GCD of 405, 945, 315 quickly. Get the easiest ways to solve the greatest common divisor of 405, 945, 315 i.e 45 in different methods as follows.
Given Input numbers are 405, 945, 315
In the factoring method, we have to find the divisors of all numbers
Divisors of 405 :
The positive integer divisors of 405 that completely divides 405 are.
1, 3, 5, 9, 15, 27, 45, 81, 135, 405
Divisors of 945 :
The positive integer divisors of 945 that completely divides 945 are.
1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945
Divisors of 315 :
The positive integer divisors of 315 that completely divides 315 are.
1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315
GCD of numbers is the greatest common divisor
So, the GCD (405, 945, 315) = 45.
Given numbers are 405, 945, 315
The list of prime factors of all numbers are
Prime factors of 405 are 3 x 3 x 3 x 3 x 5
Prime factors of 945 are 3 x 3 x 3 x 5 x 7
Prime factors of 315 are 3 x 3 x 5 x 7
The highest common occurrence is 32 x 51
Therefore, GCD of 405, 945, 315 is 45.
Given numbers are 405, 945, 315
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(405, 945) = 2835
GCD(405, 945) = ( 405 x 945 ) / 2835
= 405 / 945
= 405
Step2:
LCM(135, 315) = 945
GCD(135, 315) = ( 135 x 315 ) / 945
= 135 / 315
= 135
So, Greatest Common Divisor of 405, 945, 315 is 45
Here are some samples of GCD of Numbers calculations.
Given numbers are 405, 945, 315
The greatest common divisor of numbers 405, 945, 315 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 405, 945, 315 is 45.
1. What is the GCD of 405, 945, 315?
GCD of given numbers 405, 945, 315 is 45
2. How to calculate the greatest common divisor of 405, 945, 315?
We can find the highest common divisor of 405, 945, 315 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 405, 945, 315 i.e 45.
3. How can I use the GCD of 405, 945, 315Calculator?
Out the numbers 405, 945, 315 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.