Online GCD Calculator is useful to find the GCD of 953, 890, 21 quickly. Get the easiest ways to solve the greatest common divisor of 953, 890, 21 i.e 1 in different methods as follows.
Given Input numbers are 953, 890, 21
In the factoring method, we have to find the divisors of all numbers
Divisors of 953 :
The positive integer divisors of 953 that completely divides 953 are.
1, 953
Divisors of 890 :
The positive integer divisors of 890 that completely divides 890 are.
1, 2, 5, 10, 89, 178, 445, 890
Divisors of 21 :
The positive integer divisors of 21 that completely divides 21 are.
1, 3, 7, 21
GCD of numbers is the greatest common divisor
So, the GCD (953, 890, 21) = 1.
Given numbers are 953, 890, 21
The list of prime factors of all numbers are
Prime factors of 953 are 953
Prime factors of 890 are 2 x 5 x 89
Prime factors of 21 are 3 x 7
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 953, 890, 21
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(953, 890) = 848170
GCD(953, 890) = ( 953 x 890 ) / 848170
= 953 / 890
= 953
Step2:
LCM(1, 21) = 21
GCD(1, 21) = ( 1 x 21 ) / 21
= 1 / 21
= 1
So, Greatest Common Divisor of 953, 890, 21 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 953, 890, 21
The greatest common divisor of numbers 953, 890, 21 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 953, 890, 21 is 1.
1. What is the GCD of 953, 890, 21?
GCD of given numbers 953, 890, 21 is 1
2. How to calculate the greatest common divisor of 953, 890, 21?
We can find the highest common divisor of 953, 890, 21 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 953, 890, 21 i.e 1.
3. How can I use the GCD of 953, 890, 21Calculator?
Out the numbers 953, 890, 21 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.