Online GCD Calculator is useful to find the GCD of 210, 694, 720 quickly. Get the easiest ways to solve the greatest common divisor of 210, 694, 720 i.e 2 in different methods as follows.
Given Input numbers are 210, 694, 720
In the factoring method, we have to find the divisors of all numbers
Divisors of 210 :
The positive integer divisors of 210 that completely divides 210 are.
1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210
Divisors of 694 :
The positive integer divisors of 694 that completely divides 694 are.
1, 2, 347, 694
Divisors of 720 :
The positive integer divisors of 720 that completely divides 720 are.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720
GCD of numbers is the greatest common divisor
So, the GCD (210, 694, 720) = 2.
Given numbers are 210, 694, 720
The list of prime factors of all numbers are
Prime factors of 210 are 2 x 3 x 5 x 7
Prime factors of 694 are 2 x 347
Prime factors of 720 are 2 x 2 x 2 x 2 x 3 x 3 x 5
The highest common occurrence is 21
Therefore, GCD of 210, 694, 720 is 2.
Given numbers are 210, 694, 720
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(210, 694) = 72870
GCD(210, 694) = ( 210 x 694 ) / 72870
= 210 / 694
= 210
Step2:
LCM(2, 720) = 720
GCD(2, 720) = ( 2 x 720 ) / 720
= 2 / 720
= 2
So, Greatest Common Divisor of 210, 694, 720 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 210, 694, 720
The greatest common divisor of numbers 210, 694, 720 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 210, 694, 720 is 2.
1. What is the GCD of 210, 694, 720?
GCD of given numbers 210, 694, 720 is 2
2. How to calculate the greatest common divisor of 210, 694, 720?
We can find the highest common divisor of 210, 694, 720 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 210, 694, 720 i.e 2.
3. How can I use the GCD of 210, 694, 720Calculator?
Out the numbers 210, 694, 720 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.