Online GCD Calculator is useful to find the GCD of 690, 316, 249 quickly. Get the easiest ways to solve the greatest common divisor of 690, 316, 249 i.e 1 in different methods as follows.
Given Input numbers are 690, 316, 249
In the factoring method, we have to find the divisors of all numbers
Divisors of 690 :
The positive integer divisors of 690 that completely divides 690 are.
1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
Divisors of 316 :
The positive integer divisors of 316 that completely divides 316 are.
1, 2, 4, 79, 158, 316
Divisors of 249 :
The positive integer divisors of 249 that completely divides 249 are.
1, 3, 83, 249
GCD of numbers is the greatest common divisor
So, the GCD (690, 316, 249) = 1.
Given numbers are 690, 316, 249
The list of prime factors of all numbers are
Prime factors of 690 are 2 x 3 x 5 x 23
Prime factors of 316 are 2 x 2 x 79
Prime factors of 249 are 3 x 83
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 690, 316, 249
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(690, 316) = 109020
GCD(690, 316) = ( 690 x 316 ) / 109020
= 690 / 316
= 690
Step2:
LCM(2, 249) = 498
GCD(2, 249) = ( 2 x 249 ) / 498
= 2 / 249
= 2
So, Greatest Common Divisor of 690, 316, 249 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 690, 316, 249
The greatest common divisor of numbers 690, 316, 249 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 690, 316, 249 is 1.
1. What is the GCD of 690, 316, 249?
GCD of given numbers 690, 316, 249 is 1
2. How to calculate the greatest common divisor of 690, 316, 249?
We can find the highest common divisor of 690, 316, 249 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 690, 316, 249 i.e 1.
3. How can I use the GCD of 690, 316, 249Calculator?
Out the numbers 690, 316, 249 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.