Online GCD Calculator is useful to find the GCD of 217, 637, 109 quickly. Get the easiest ways to solve the greatest common divisor of 217, 637, 109 i.e 1 in different methods as follows.
Given Input numbers are 217, 637, 109
In the factoring method, we have to find the divisors of all numbers
Divisors of 217 :
The positive integer divisors of 217 that completely divides 217 are.
1, 7, 31, 217
Divisors of 637 :
The positive integer divisors of 637 that completely divides 637 are.
1, 7, 13, 49, 91, 637
Divisors of 109 :
The positive integer divisors of 109 that completely divides 109 are.
1, 109
GCD of numbers is the greatest common divisor
So, the GCD (217, 637, 109) = 1.
Given numbers are 217, 637, 109
The list of prime factors of all numbers are
Prime factors of 217 are 7 x 31
Prime factors of 637 are 7 x 7 x 13
Prime factors of 109 are 109
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 217, 637, 109
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(217, 637) = 19747
GCD(217, 637) = ( 217 x 637 ) / 19747
= 217 / 637
= 217
Step2:
LCM(7, 109) = 763
GCD(7, 109) = ( 7 x 109 ) / 763
= 7 / 109
= 7
So, Greatest Common Divisor of 217, 637, 109 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 217, 637, 109
The greatest common divisor of numbers 217, 637, 109 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 217, 637, 109 is 1.
1. What is the GCD of 217, 637, 109?
GCD of given numbers 217, 637, 109 is 1
2. How to calculate the greatest common divisor of 217, 637, 109?
We can find the highest common divisor of 217, 637, 109 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 217, 637, 109 i.e 1.
3. How can I use the GCD of 217, 637, 109Calculator?
Out the numbers 217, 637, 109 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.