Online GCD Calculator is useful to find the GCD of 989, 780, 694 quickly. Get the easiest ways to solve the greatest common divisor of 989, 780, 694 i.e 1 in different methods as follows.
Given Input numbers are 989, 780, 694
In the factoring method, we have to find the divisors of all numbers
Divisors of 989 :
The positive integer divisors of 989 that completely divides 989 are.
1, 23, 43, 989
Divisors of 780 :
The positive integer divisors of 780 that completely divides 780 are.
1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
Divisors of 694 :
The positive integer divisors of 694 that completely divides 694 are.
1, 2, 347, 694
GCD of numbers is the greatest common divisor
So, the GCD (989, 780, 694) = 1.
Given numbers are 989, 780, 694
The list of prime factors of all numbers are
Prime factors of 989 are 23 x 43
Prime factors of 780 are 2 x 2 x 3 x 5 x 13
Prime factors of 694 are 2 x 347
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 989, 780, 694
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(989, 780) = 771420
GCD(989, 780) = ( 989 x 780 ) / 771420
= 989 / 780
= 989
Step2:
LCM(1, 694) = 694
GCD(1, 694) = ( 1 x 694 ) / 694
= 1 / 694
= 1
So, Greatest Common Divisor of 989, 780, 694 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 989, 780, 694
The greatest common divisor of numbers 989, 780, 694 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 989, 780, 694 is 1.
1. What is the GCD of 989, 780, 694?
GCD of given numbers 989, 780, 694 is 1
2. How to calculate the greatest common divisor of 989, 780, 694?
We can find the highest common divisor of 989, 780, 694 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 989, 780, 694 i.e 1.
3. How can I use the GCD of 989, 780, 694Calculator?
Out the numbers 989, 780, 694 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.