Online GCD Calculator is useful to find the GCD of 680, 665, 220 quickly. Get the easiest ways to solve the greatest common divisor of 680, 665, 220 i.e 5 in different methods as follows.
Given Input numbers are 680, 665, 220
In the factoring method, we have to find the divisors of all numbers
Divisors of 680 :
The positive integer divisors of 680 that completely divides 680 are.
1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680
Divisors of 665 :
The positive integer divisors of 665 that completely divides 665 are.
1, 5, 7, 19, 35, 95, 133, 665
Divisors of 220 :
The positive integer divisors of 220 that completely divides 220 are.
1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220
GCD of numbers is the greatest common divisor
So, the GCD (680, 665, 220) = 5.
Given numbers are 680, 665, 220
The list of prime factors of all numbers are
Prime factors of 680 are 2 x 2 x 2 x 5 x 17
Prime factors of 665 are 5 x 7 x 19
Prime factors of 220 are 2 x 2 x 5 x 11
The highest common occurrence is 51
Therefore, GCD of 680, 665, 220 is 5.
Given numbers are 680, 665, 220
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(680, 665) = 90440
GCD(680, 665) = ( 680 x 665 ) / 90440
= 680 / 665
= 680
Step2:
LCM(5, 220) = 220
GCD(5, 220) = ( 5 x 220 ) / 220
= 5 / 220
= 5
So, Greatest Common Divisor of 680, 665, 220 is 5
Here are some samples of GCD of Numbers calculations.
Given numbers are 680, 665, 220
The greatest common divisor of numbers 680, 665, 220 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 680, 665, 220 is 5.
1. What is the GCD of 680, 665, 220?
GCD of given numbers 680, 665, 220 is 5
2. How to calculate the greatest common divisor of 680, 665, 220?
We can find the highest common divisor of 680, 665, 220 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 680, 665, 220 i.e 5.
3. How can I use the GCD of 680, 665, 220Calculator?
Out the numbers 680, 665, 220 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.