Online GCD Calculator is useful to find the GCD of 369, 378, 617, 642 quickly. Get the easiest ways to solve the greatest common divisor of 369, 378, 617, 642 i.e 1 in different methods as follows.
Given Input numbers are 369, 378, 617, 642
In the factoring method, we have to find the divisors of all numbers
Divisors of 369 :
The positive integer divisors of 369 that completely divides 369 are.
1, 3, 9, 41, 123, 369
Divisors of 378 :
The positive integer divisors of 378 that completely divides 378 are.
1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378
Divisors of 617 :
The positive integer divisors of 617 that completely divides 617 are.
1, 617
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
GCD of numbers is the greatest common divisor
So, the GCD (369, 378, 617, 642) = 1.
Given numbers are 369, 378, 617, 642
The list of prime factors of all numbers are
Prime factors of 369 are 3 x 3 x 41
Prime factors of 378 are 2 x 3 x 3 x 3 x 7
Prime factors of 617 are 617
Prime factors of 642 are 2 x 3 x 107
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 369, 378, 617, 642
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(369, 378) = 15498
GCD(369, 378) = ( 369 x 378 ) / 15498
= 369 / 378
= 369
Step2:
LCM(9, 617) = 5553
GCD(9, 617) = ( 9 x 617 ) / 5553
= 9 / 617
= 9
Step3:
LCM(1, 642) = 642
GCD(1, 642) = ( 1 x 642 ) / 642
= 1 / 642
= 1
So, Greatest Common Divisor of 369, 378, 617, 642 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 369, 378, 617, 642
The greatest common divisor of numbers 369, 378, 617, 642 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 369, 378, 617, 642 is 1.
1. What is the GCD of 369, 378, 617, 642?
GCD of given numbers 369, 378, 617, 642 is 1
2. How to calculate the greatest common divisor of 369, 378, 617, 642?
We can find the highest common divisor of 369, 378, 617, 642 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 369, 378, 617, 642 i.e 1.
3. How can I use the GCD of 369, 378, 617, 642Calculator?
Out the numbers 369, 378, 617, 642 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.