Online GCD Calculator is useful to find the GCD of 428, 889, 968, 991 quickly. Get the easiest ways to solve the greatest common divisor of 428, 889, 968, 991 i.e 1 in different methods as follows.
Given Input numbers are 428, 889, 968, 991
In the factoring method, we have to find the divisors of all numbers
Divisors of 428 :
The positive integer divisors of 428 that completely divides 428 are.
1, 2, 4, 107, 214, 428
Divisors of 889 :
The positive integer divisors of 889 that completely divides 889 are.
1, 7, 127, 889
Divisors of 968 :
The positive integer divisors of 968 that completely divides 968 are.
1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968
Divisors of 991 :
The positive integer divisors of 991 that completely divides 991 are.
1, 991
GCD of numbers is the greatest common divisor
So, the GCD (428, 889, 968, 991) = 1.
Given numbers are 428, 889, 968, 991
The list of prime factors of all numbers are
Prime factors of 428 are 2 x 2 x 107
Prime factors of 889 are 7 x 127
Prime factors of 968 are 2 x 2 x 2 x 11 x 11
Prime factors of 991 are 991
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 428, 889, 968, 991
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(428, 889) = 380492
GCD(428, 889) = ( 428 x 889 ) / 380492
= 428 / 889
= 428
Step2:
LCM(1, 968) = 968
GCD(1, 968) = ( 1 x 968 ) / 968
= 1 / 968
= 1
Step3:
LCM(1, 991) = 991
GCD(1, 991) = ( 1 x 991 ) / 991
= 1 / 991
= 1
So, Greatest Common Divisor of 428, 889, 968, 991 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 428, 889, 968, 991
The greatest common divisor of numbers 428, 889, 968, 991 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 428, 889, 968, 991 is 1.
1. What is the GCD of 428, 889, 968, 991?
GCD of given numbers 428, 889, 968, 991 is 1
2. How to calculate the greatest common divisor of 428, 889, 968, 991?
We can find the highest common divisor of 428, 889, 968, 991 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 428, 889, 968, 991 i.e 1.
3. How can I use the GCD of 428, 889, 968, 991Calculator?
Out the numbers 428, 889, 968, 991 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.