Online GCD Calculator is useful to find the GCD of 369, 669, 840 quickly. Get the easiest ways to solve the greatest common divisor of 369, 669, 840 i.e 3 in different methods as follows.
Given Input numbers are 369, 669, 840
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 669 :
The positive integer divisors of 669 that completely divides 669 are.
1, 3, 223, 669
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 (369, 669, 840) = 3.
Given numbers are 369, 669, 840
The list of prime factors of all numbers are
Prime factors of 369 are 3 x 3 x 41
Prime factors of 669 are 3 x 223
Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7
The highest common occurrence is 31
Therefore, GCD of 369, 669, 840 is 3.
Given numbers are 369, 669, 840
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(369, 669) = 82287
GCD(369, 669) = ( 369 x 669 ) / 82287
= 369 / 669
= 369
Step2:
LCM(3, 840) = 840
GCD(3, 840) = ( 3 x 840 ) / 840
= 3 / 840
= 3
So, Greatest Common Divisor of 369, 669, 840 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 369, 669, 840
The greatest common divisor of numbers 369, 669, 840 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 369, 669, 840 is 3.
1. What is the GCD of 369, 669, 840?
GCD of given numbers 369, 669, 840 is 3
2. How to calculate the greatest common divisor of 369, 669, 840?
We can find the highest common divisor of 369, 669, 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 369, 669, 840 i.e 3.
3. How can I use the GCD of 369, 669, 840Calculator?
Out the numbers 369, 669, 840 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.