Online GCD Calculator is useful to find the GCD of 639, 375, 834, 690 quickly. Get the easiest ways to solve the greatest common divisor of 639, 375, 834, 690 i.e 3 in different methods as follows.
Given Input numbers are 639, 375, 834, 690
In the factoring method, we have to find the divisors of all numbers
Divisors of 639 :
The positive integer divisors of 639 that completely divides 639 are.
1, 3, 9, 71, 213, 639
Divisors of 375 :
The positive integer divisors of 375 that completely divides 375 are.
1, 3, 5, 15, 25, 75, 125, 375
Divisors of 834 :
The positive integer divisors of 834 that completely divides 834 are.
1, 2, 3, 6, 139, 278, 417, 834
Divisors of 690 :
The positive integer divisors of 690 that completely divides 690 are.
1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
GCD of numbers is the greatest common divisor
So, the GCD (639, 375, 834, 690) = 3.
Given numbers are 639, 375, 834, 690
The list of prime factors of all numbers are
Prime factors of 639 are 3 x 3 x 71
Prime factors of 375 are 3 x 5 x 5 x 5
Prime factors of 834 are 2 x 3 x 139
Prime factors of 690 are 2 x 3 x 5 x 23
The highest common occurrence is 31
Therefore, GCD of 639, 375, 834, 690 is 3.
Given numbers are 639, 375, 834, 690
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(639, 375) = 79875
GCD(639, 375) = ( 639 x 375 ) / 79875
= 639 / 375
= 639
Step2:
LCM(3, 834) = 834
GCD(3, 834) = ( 3 x 834 ) / 834
= 3 / 834
= 3
Step3:
LCM(3, 690) = 690
GCD(3, 690) = ( 3 x 690 ) / 690
= 3 / 690
= 3
So, Greatest Common Divisor of 639, 375, 834, 690 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 639, 375, 834, 690
The greatest common divisor of numbers 639, 375, 834, 690 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 639, 375, 834, 690 is 3.
1. What is the GCD of 639, 375, 834, 690?
GCD of given numbers 639, 375, 834, 690 is 3
2. How to calculate the greatest common divisor of 639, 375, 834, 690?
We can find the highest common divisor of 639, 375, 834, 690 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 639, 375, 834, 690 i.e 3.
3. How can I use the GCD of 639, 375, 834, 690Calculator?
Out the numbers 639, 375, 834, 690 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.