Online GCD Calculator is useful to find the GCD of 315, 708, 861 quickly. Get the easiest ways to solve the greatest common divisor of 315, 708, 861 i.e 3 in different methods as follows.
Given Input numbers are 315, 708, 861
In the factoring method, we have to find the divisors of all numbers
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
Divisors of 708 :
The positive integer divisors of 708 that completely divides 708 are.
1, 2, 3, 4, 6, 12, 59, 118, 177, 236, 354, 708
Divisors of 861 :
The positive integer divisors of 861 that completely divides 861 are.
1, 3, 7, 21, 41, 123, 287, 861
GCD of numbers is the greatest common divisor
So, the GCD (315, 708, 861) = 3.
Given numbers are 315, 708, 861
The list of prime factors of all numbers are
Prime factors of 315 are 3 x 3 x 5 x 7
Prime factors of 708 are 2 x 2 x 3 x 59
Prime factors of 861 are 3 x 7 x 41
The highest common occurrence is 31
Therefore, GCD of 315, 708, 861 is 3.
Given numbers are 315, 708, 861
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(315, 708) = 74340
GCD(315, 708) = ( 315 x 708 ) / 74340
= 315 / 708
= 315
Step2:
LCM(3, 861) = 861
GCD(3, 861) = ( 3 x 861 ) / 861
= 3 / 861
= 3
So, Greatest Common Divisor of 315, 708, 861 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 315, 708, 861
The greatest common divisor of numbers 315, 708, 861 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 315, 708, 861 is 3.
1. What is the GCD of 315, 708, 861?
GCD of given numbers 315, 708, 861 is 3
2. How to calculate the greatest common divisor of 315, 708, 861?
We can find the highest common divisor of 315, 708, 861 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 315, 708, 861 i.e 3.
3. How can I use the GCD of 315, 708, 861Calculator?
Out the numbers 315, 708, 861 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.