Online GCD Calculator is useful to find the GCD of 342, 987, 209 quickly. Get the easiest ways to solve the greatest common divisor of 342, 987, 209 i.e 1 in different methods as follows.
Given Input numbers are 342, 987, 209
In the factoring method, we have to find the divisors of all numbers
Divisors of 342 :
The positive integer divisors of 342 that completely divides 342 are.
1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342
Divisors of 987 :
The positive integer divisors of 987 that completely divides 987 are.
1, 3, 7, 21, 47, 141, 329, 987
Divisors of 209 :
The positive integer divisors of 209 that completely divides 209 are.
1, 11, 19, 209
GCD of numbers is the greatest common divisor
So, the GCD (342, 987, 209) = 1.
Given numbers are 342, 987, 209
The list of prime factors of all numbers are
Prime factors of 342 are 2 x 3 x 3 x 19
Prime factors of 987 are 3 x 7 x 47
Prime factors of 209 are 11 x 19
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 342, 987, 209
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(342, 987) = 112518
GCD(342, 987) = ( 342 x 987 ) / 112518
= 342 / 987
= 342
Step2:
LCM(3, 209) = 627
GCD(3, 209) = ( 3 x 209 ) / 627
= 3 / 209
= 3
So, Greatest Common Divisor of 342, 987, 209 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 342, 987, 209
The greatest common divisor of numbers 342, 987, 209 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 342, 987, 209 is 1.
1. What is the GCD of 342, 987, 209?
GCD of given numbers 342, 987, 209 is 1
2. How to calculate the greatest common divisor of 342, 987, 209?
We can find the highest common divisor of 342, 987, 209 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 342, 987, 209 i.e 1.
3. How can I use the GCD of 342, 987, 209Calculator?
Out the numbers 342, 987, 209 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.