Online GCD Calculator is useful to find the GCD of 685, 375, 642 quickly. Get the easiest ways to solve the greatest common divisor of 685, 375, 642 i.e 1 in different methods as follows.
Given Input numbers are 685, 375, 642
In the factoring method, we have to find the divisors of all numbers
Divisors of 685 :
The positive integer divisors of 685 that completely divides 685 are.
1, 5, 137, 685
Divisors of 375 :
The positive integer divisors of 375 that completely divides 375 are.
1, 3, 5, 15, 25, 75, 125, 375
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 (685, 375, 642) = 1.
Given numbers are 685, 375, 642
The list of prime factors of all numbers are
Prime factors of 685 are 5 x 137
Prime factors of 375 are 3 x 5 x 5 x 5
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 685, 375, 642
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(685, 375) = 51375
GCD(685, 375) = ( 685 x 375 ) / 51375
= 685 / 375
= 685
Step2:
LCM(5, 642) = 3210
GCD(5, 642) = ( 5 x 642 ) / 3210
= 5 / 642
= 5
So, Greatest Common Divisor of 685, 375, 642 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 685, 375, 642
The greatest common divisor of numbers 685, 375, 642 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 685, 375, 642 is 1.
1. What is the GCD of 685, 375, 642?
GCD of given numbers 685, 375, 642 is 1
2. How to calculate the greatest common divisor of 685, 375, 642?
We can find the highest common divisor of 685, 375, 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 685, 375, 642 i.e 1.
3. How can I use the GCD of 685, 375, 642Calculator?
Out the numbers 685, 375, 642 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.