Online GCD Calculator is useful to find the GCD of 921, 858, 909 quickly. Get the easiest ways to solve the greatest common divisor of 921, 858, 909 i.e 3 in different methods as follows.
Given Input numbers are 921, 858, 909
In the factoring method, we have to find the divisors of all numbers
Divisors of 921 :
The positive integer divisors of 921 that completely divides 921 are.
1, 3, 307, 921
Divisors of 858 :
The positive integer divisors of 858 that completely divides 858 are.
1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
Divisors of 909 :
The positive integer divisors of 909 that completely divides 909 are.
1, 3, 9, 101, 303, 909
GCD of numbers is the greatest common divisor
So, the GCD (921, 858, 909) = 3.
Given numbers are 921, 858, 909
The list of prime factors of all numbers are
Prime factors of 921 are 3 x 307
Prime factors of 858 are 2 x 3 x 11 x 13
Prime factors of 909 are 3 x 3 x 101
The highest common occurrence is 31
Therefore, GCD of 921, 858, 909 is 3.
Given numbers are 921, 858, 909
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(921, 858) = 263406
GCD(921, 858) = ( 921 x 858 ) / 263406
= 921 / 858
= 921
Step2:
LCM(3, 909) = 909
GCD(3, 909) = ( 3 x 909 ) / 909
= 3 / 909
= 3
So, Greatest Common Divisor of 921, 858, 909 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 921, 858, 909
The greatest common divisor of numbers 921, 858, 909 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 921, 858, 909 is 3.
1. What is the GCD of 921, 858, 909?
GCD of given numbers 921, 858, 909 is 3
2. How to calculate the greatest common divisor of 921, 858, 909?
We can find the highest common divisor of 921, 858, 909 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 921, 858, 909 i.e 3.
3. How can I use the GCD of 921, 858, 909Calculator?
Out the numbers 921, 858, 909 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.