Online GCD Calculator is useful to find the GCD of 261, 357, 287 quickly. Get the easiest ways to solve the greatest common divisor of 261, 357, 287 i.e 1 in different methods as follows.
Given Input numbers are 261, 357, 287
In the factoring method, we have to find the divisors of all numbers
Divisors of 261 :
The positive integer divisors of 261 that completely divides 261 are.
1, 3, 9, 29, 87, 261
Divisors of 357 :
The positive integer divisors of 357 that completely divides 357 are.
1, 3, 7, 17, 21, 51, 119, 357
Divisors of 287 :
The positive integer divisors of 287 that completely divides 287 are.
1, 7, 41, 287
GCD of numbers is the greatest common divisor
So, the GCD (261, 357, 287) = 1.
Given numbers are 261, 357, 287
The list of prime factors of all numbers are
Prime factors of 261 are 3 x 3 x 29
Prime factors of 357 are 3 x 7 x 17
Prime factors of 287 are 7 x 41
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 261, 357, 287
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(261, 357) = 31059
GCD(261, 357) = ( 261 x 357 ) / 31059
= 261 / 357
= 261
Step2:
LCM(3, 287) = 861
GCD(3, 287) = ( 3 x 287 ) / 861
= 3 / 287
= 3
So, Greatest Common Divisor of 261, 357, 287 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 261, 357, 287
The greatest common divisor of numbers 261, 357, 287 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 261, 357, 287 is 1.
1. What is the GCD of 261, 357, 287?
GCD of given numbers 261, 357, 287 is 1
2. How to calculate the greatest common divisor of 261, 357, 287?
We can find the highest common divisor of 261, 357, 287 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 261, 357, 287 i.e 1.
3. How can I use the GCD of 261, 357, 287Calculator?
Out the numbers 261, 357, 287 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.