Online GCD Calculator is useful to find the GCD of 490, 385, 605 quickly. Get the easiest ways to solve the greatest common divisor of 490, 385, 605 i.e 5 in different methods as follows.
Given Input numbers are 490, 385, 605
In the factoring method, we have to find the divisors of all numbers
Divisors of 490 :
The positive integer divisors of 490 that completely divides 490 are.
1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490
Divisors of 385 :
The positive integer divisors of 385 that completely divides 385 are.
1, 5, 7, 11, 35, 55, 77, 385
Divisors of 605 :
The positive integer divisors of 605 that completely divides 605 are.
1, 5, 11, 55, 121, 605
GCD of numbers is the greatest common divisor
So, the GCD (490, 385, 605) = 5.
Given numbers are 490, 385, 605
The list of prime factors of all numbers are
Prime factors of 490 are 2 x 5 x 7 x 7
Prime factors of 385 are 5 x 7 x 11
Prime factors of 605 are 5 x 11 x 11
The highest common occurrence is 51
Therefore, GCD of 490, 385, 605 is 5.
Given numbers are 490, 385, 605
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(490, 385) = 5390
GCD(490, 385) = ( 490 x 385 ) / 5390
= 490 / 385
= 490
Step2:
LCM(35, 605) = 4235
GCD(35, 605) = ( 35 x 605 ) / 4235
= 35 / 605
= 35
So, Greatest Common Divisor of 490, 385, 605 is 5
Here are some samples of GCD of Numbers calculations.
Given numbers are 490, 385, 605
The greatest common divisor of numbers 490, 385, 605 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 490, 385, 605 is 5.
1. What is the GCD of 490, 385, 605?
GCD of given numbers 490, 385, 605 is 5
2. How to calculate the greatest common divisor of 490, 385, 605?
We can find the highest common divisor of 490, 385, 605 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 490, 385, 605 i.e 5.
3. How can I use the GCD of 490, 385, 605Calculator?
Out the numbers 490, 385, 605 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.