Online GCD Calculator is useful to find the GCD of 491, 420, 613 quickly. Get the easiest ways to solve the greatest common divisor of 491, 420, 613 i.e 1 in different methods as follows.
Given Input numbers are 491, 420, 613
In the factoring method, we have to find the divisors of all numbers
Divisors of 491 :
The positive integer divisors of 491 that completely divides 491 are.
1, 491
Divisors of 420 :
The positive integer divisors of 420 that completely divides 420 are.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
Divisors of 613 :
The positive integer divisors of 613 that completely divides 613 are.
1, 613
GCD of numbers is the greatest common divisor
So, the GCD (491, 420, 613) = 1.
Given numbers are 491, 420, 613
The list of prime factors of all numbers are
Prime factors of 491 are 491
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 613 are 613
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 491, 420, 613
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(491, 420) = 206220
GCD(491, 420) = ( 491 x 420 ) / 206220
= 491 / 420
= 491
Step2:
LCM(1, 613) = 613
GCD(1, 613) = ( 1 x 613 ) / 613
= 1 / 613
= 1
So, Greatest Common Divisor of 491, 420, 613 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 491, 420, 613
The greatest common divisor of numbers 491, 420, 613 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 491, 420, 613 is 1.
1. What is the GCD of 491, 420, 613?
GCD of given numbers 491, 420, 613 is 1
2. How to calculate the greatest common divisor of 491, 420, 613?
We can find the highest common divisor of 491, 420, 613 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 491, 420, 613 i.e 1.
3. How can I use the GCD of 491, 420, 613Calculator?
Out the numbers 491, 420, 613 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.