Online GCD Calculator is useful to find the GCD of 868, 945, 90 quickly. Get the easiest ways to solve the greatest common divisor of 868, 945, 90 i.e 1 in different methods as follows.
Given Input numbers are 868, 945, 90
In the factoring method, we have to find the divisors of all numbers
Divisors of 868 :
The positive integer divisors of 868 that completely divides 868 are.
1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868
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 90 :
The positive integer divisors of 90 that completely divides 90 are.
1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
GCD of numbers is the greatest common divisor
So, the GCD (868, 945, 90) = 1.
Given numbers are 868, 945, 90
The list of prime factors of all numbers are
Prime factors of 868 are 2 x 2 x 7 x 31
Prime factors of 945 are 3 x 3 x 3 x 5 x 7
Prime factors of 90 are 2 x 3 x 3 x 5
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 868, 945, 90
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(868, 945) = 117180
GCD(868, 945) = ( 868 x 945 ) / 117180
= 868 / 945
= 868
Step2:
LCM(7, 90) = 630
GCD(7, 90) = ( 7 x 90 ) / 630
= 7 / 90
= 7
So, Greatest Common Divisor of 868, 945, 90 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 868, 945, 90
The greatest common divisor of numbers 868, 945, 90 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 868, 945, 90 is 1.
1. What is the GCD of 868, 945, 90?
GCD of given numbers 868, 945, 90 is 1
2. How to calculate the greatest common divisor of 868, 945, 90?
We can find the highest common divisor of 868, 945, 90 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 868, 945, 90 i.e 1.
3. How can I use the GCD of 868, 945, 90Calculator?
Out the numbers 868, 945, 90 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.