Online GCD Calculator is useful to find the GCD of 305, 385, 990, 100 quickly. Get the easiest ways to solve the greatest common divisor of 305, 385, 990, 100 i.e 5 in different methods as follows.
Given Input numbers are 305, 385, 990, 100
In the factoring method, we have to find the divisors of all numbers
Divisors of 305 :
The positive integer divisors of 305 that completely divides 305 are.
1, 5, 61, 305
Divisors of 385 :
The positive integer divisors of 385 that completely divides 385 are.
1, 5, 7, 11, 35, 55, 77, 385
Divisors of 990 :
The positive integer divisors of 990 that completely divides 990 are.
1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
Divisors of 100 :
The positive integer divisors of 100 that completely divides 100 are.
1, 2, 4, 5, 10, 20, 25, 50, 100
GCD of numbers is the greatest common divisor
So, the GCD (305, 385, 990, 100) = 5.
Given numbers are 305, 385, 990, 100
The list of prime factors of all numbers are
Prime factors of 305 are 5 x 61
Prime factors of 385 are 5 x 7 x 11
Prime factors of 990 are 2 x 3 x 3 x 5 x 11
Prime factors of 100 are 2 x 2 x 5 x 5
The highest common occurrence is 51
Therefore, GCD of 305, 385, 990, 100 is 5.
Given numbers are 305, 385, 990, 100
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(305, 385) = 23485
GCD(305, 385) = ( 305 x 385 ) / 23485
= 305 / 385
= 305
Step2:
LCM(5, 990) = 990
GCD(5, 990) = ( 5 x 990 ) / 990
= 5 / 990
= 5
Step3:
LCM(5, 100) = 100
GCD(5, 100) = ( 5 x 100 ) / 100
= 5 / 100
= 5
So, Greatest Common Divisor of 305, 385, 990, 100 is 5
Here are some samples of GCD of Numbers calculations.
Given numbers are 305, 385, 990, 100
The greatest common divisor of numbers 305, 385, 990, 100 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 305, 385, 990, 100 is 5.
1. What is the GCD of 305, 385, 990, 100?
GCD of given numbers 305, 385, 990, 100 is 5
2. How to calculate the greatest common divisor of 305, 385, 990, 100?
We can find the highest common divisor of 305, 385, 990, 100 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 305, 385, 990, 100 i.e 5.
3. How can I use the GCD of 305, 385, 990, 100Calculator?
Out the numbers 305, 385, 990, 100 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.