Online GCD Calculator is useful to find the GCD of 642, 297, 143 quickly. Get the easiest ways to solve the greatest common divisor of 642, 297, 143 i.e 1 in different methods as follows.
Given Input numbers are 642, 297, 143
In the factoring method, we have to find the divisors of all numbers
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
Divisors of 297 :
The positive integer divisors of 297 that completely divides 297 are.
1, 3, 9, 11, 27, 33, 99, 297
Divisors of 143 :
The positive integer divisors of 143 that completely divides 143 are.
1, 11, 13, 143
GCD of numbers is the greatest common divisor
So, the GCD (642, 297, 143) = 1.
Given numbers are 642, 297, 143
The list of prime factors of all numbers are
Prime factors of 642 are 2 x 3 x 107
Prime factors of 297 are 3 x 3 x 3 x 11
Prime factors of 143 are 11 x 13
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 642, 297, 143
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(642, 297) = 63558
GCD(642, 297) = ( 642 x 297 ) / 63558
= 642 / 297
= 642
Step2:
LCM(3, 143) = 429
GCD(3, 143) = ( 3 x 143 ) / 429
= 3 / 143
= 3
So, Greatest Common Divisor of 642, 297, 143 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 642, 297, 143
The greatest common divisor of numbers 642, 297, 143 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 642, 297, 143 is 1.
1. What is the GCD of 642, 297, 143?
GCD of given numbers 642, 297, 143 is 1
2. How to calculate the greatest common divisor of 642, 297, 143?
We can find the highest common divisor of 642, 297, 143 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 642, 297, 143 i.e 1.
3. How can I use the GCD of 642, 297, 143Calculator?
Out the numbers 642, 297, 143 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.