Online GCD Calculator is useful to find the GCD of 509, 642, 221 quickly. Get the easiest ways to solve the greatest common divisor of 509, 642, 221 i.e 1 in different methods as follows.
Given Input numbers are 509, 642, 221
In the factoring method, we have to find the divisors of all numbers
Divisors of 509 :
The positive integer divisors of 509 that completely divides 509 are.
1, 509
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
Divisors of 221 :
The positive integer divisors of 221 that completely divides 221 are.
1, 13, 17, 221
GCD of numbers is the greatest common divisor
So, the GCD (509, 642, 221) = 1.
Given numbers are 509, 642, 221
The list of prime factors of all numbers are
Prime factors of 509 are 509
Prime factors of 642 are 2 x 3 x 107
Prime factors of 221 are 13 x 17
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 509, 642, 221
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(509, 642) = 326778
GCD(509, 642) = ( 509 x 642 ) / 326778
= 509 / 642
= 509
Step2:
LCM(1, 221) = 221
GCD(1, 221) = ( 1 x 221 ) / 221
= 1 / 221
= 1
So, Greatest Common Divisor of 509, 642, 221 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 509, 642, 221
The greatest common divisor of numbers 509, 642, 221 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 509, 642, 221 is 1.
1. What is the GCD of 509, 642, 221?
GCD of given numbers 509, 642, 221 is 1
2. How to calculate the greatest common divisor of 509, 642, 221?
We can find the highest common divisor of 509, 642, 221 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 509, 642, 221 i.e 1.
3. How can I use the GCD of 509, 642, 221Calculator?
Out the numbers 509, 642, 221 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.