Online GCD Calculator is useful to find the GCD of 279, 142, 691 quickly. Get the easiest ways to solve the greatest common divisor of 279, 142, 691 i.e 1 in different methods as follows.
Given Input numbers are 279, 142, 691
In the factoring method, we have to find the divisors of all numbers
Divisors of 279 :
The positive integer divisors of 279 that completely divides 279 are.
1, 3, 9, 31, 93, 279
Divisors of 142 :
The positive integer divisors of 142 that completely divides 142 are.
1, 2, 71, 142
Divisors of 691 :
The positive integer divisors of 691 that completely divides 691 are.
1, 691
GCD of numbers is the greatest common divisor
So, the GCD (279, 142, 691) = 1.
Given numbers are 279, 142, 691
The list of prime factors of all numbers are
Prime factors of 279 are 3 x 3 x 31
Prime factors of 142 are 2 x 71
Prime factors of 691 are 691
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 279, 142, 691
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(279, 142) = 39618
GCD(279, 142) = ( 279 x 142 ) / 39618
= 279 / 142
= 279
Step2:
LCM(1, 691) = 691
GCD(1, 691) = ( 1 x 691 ) / 691
= 1 / 691
= 1
So, Greatest Common Divisor of 279, 142, 691 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 279, 142, 691
The greatest common divisor of numbers 279, 142, 691 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 279, 142, 691 is 1.
1. What is the GCD of 279, 142, 691?
GCD of given numbers 279, 142, 691 is 1
2. How to calculate the greatest common divisor of 279, 142, 691?
We can find the highest common divisor of 279, 142, 691 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 279, 142, 691 i.e 1.
3. How can I use the GCD of 279, 142, 691Calculator?
Out the numbers 279, 142, 691 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.