Online GCD Calculator is useful to find the GCD of 117, 621, 345 quickly. Get the easiest ways to solve the greatest common divisor of 117, 621, 345 i.e 3 in different methods as follows.
Given Input numbers are 117, 621, 345
In the factoring method, we have to find the divisors of all numbers
Divisors of 117 :
The positive integer divisors of 117 that completely divides 117 are.
1, 3, 9, 13, 39, 117
Divisors of 621 :
The positive integer divisors of 621 that completely divides 621 are.
1, 3, 9, 23, 27, 69, 207, 621
Divisors of 345 :
The positive integer divisors of 345 that completely divides 345 are.
1, 3, 5, 15, 23, 69, 115, 345
GCD of numbers is the greatest common divisor
So, the GCD (117, 621, 345) = 3.
Given numbers are 117, 621, 345
The list of prime factors of all numbers are
Prime factors of 117 are 3 x 3 x 13
Prime factors of 621 are 3 x 3 x 3 x 23
Prime factors of 345 are 3 x 5 x 23
The highest common occurrence is 31
Therefore, GCD of 117, 621, 345 is 3.
Given numbers are 117, 621, 345
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(117, 621) = 8073
GCD(117, 621) = ( 117 x 621 ) / 8073
= 117 / 621
= 117
Step2:
LCM(9, 345) = 1035
GCD(9, 345) = ( 9 x 345 ) / 1035
= 9 / 345
= 9
So, Greatest Common Divisor of 117, 621, 345 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 117, 621, 345
The greatest common divisor of numbers 117, 621, 345 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 117, 621, 345 is 3.
1. What is the GCD of 117, 621, 345?
GCD of given numbers 117, 621, 345 is 3
2. How to calculate the greatest common divisor of 117, 621, 345?
We can find the highest common divisor of 117, 621, 345 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 117, 621, 345 i.e 3.
3. How can I use the GCD of 117, 621, 345Calculator?
Out the numbers 117, 621, 345 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.