Online GCD Calculator is useful to find the GCD of 630, 390, 316, 840 quickly. Get the easiest ways to solve the greatest common divisor of 630, 390, 316, 840 i.e 2 in different methods as follows.
Given Input numbers are 630, 390, 316, 840
In the factoring method, we have to find the divisors of all numbers
Divisors of 630 :
The positive integer divisors of 630 that completely divides 630 are.
1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630
Divisors of 390 :
The positive integer divisors of 390 that completely divides 390 are.
1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
Divisors of 316 :
The positive integer divisors of 316 that completely divides 316 are.
1, 2, 4, 79, 158, 316
Divisors of 840 :
The positive integer divisors of 840 that completely divides 840 are.
1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
GCD of numbers is the greatest common divisor
So, the GCD (630, 390, 316, 840) = 2.
Given numbers are 630, 390, 316, 840
The list of prime factors of all numbers are
Prime factors of 630 are 2 x 3 x 3 x 5 x 7
Prime factors of 390 are 2 x 3 x 5 x 13
Prime factors of 316 are 2 x 2 x 79
Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7
The highest common occurrence is 21
Therefore, GCD of 630, 390, 316, 840 is 2.
Given numbers are 630, 390, 316, 840
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(630, 390) = 8190
GCD(630, 390) = ( 630 x 390 ) / 8190
= 630 / 390
= 630
Step2:
LCM(30, 316) = 4740
GCD(30, 316) = ( 30 x 316 ) / 4740
= 30 / 316
= 30
Step3:
LCM(2, 840) = 840
GCD(2, 840) = ( 2 x 840 ) / 840
= 2 / 840
= 2
So, Greatest Common Divisor of 630, 390, 316, 840 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 630, 390, 316, 840
The greatest common divisor of numbers 630, 390, 316, 840 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 630, 390, 316, 840 is 2.
1. What is the GCD of 630, 390, 316, 840?
GCD of given numbers 630, 390, 316, 840 is 2
2. How to calculate the greatest common divisor of 630, 390, 316, 840?
We can find the highest common divisor of 630, 390, 316, 840 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 630, 390, 316, 840 i.e 2.
3. How can I use the GCD of 630, 390, 316, 840Calculator?
Out the numbers 630, 390, 316, 840 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.