Online GCD Calculator is useful to find the GCD of 278, 990, 84 quickly. Get the easiest ways to solve the greatest common divisor of 278, 990, 84 i.e 2 in different methods as follows.
Given Input numbers are 278, 990, 84
In the factoring method, we have to find the divisors of all numbers
Divisors of 278 :
The positive integer divisors of 278 that completely divides 278 are.
1, 2, 139, 278
Divisors of 990 :
The positive integer divisors of 990 that completely divides 990 are.
1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
Divisors of 84 :
The positive integer divisors of 84 that completely divides 84 are.
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
GCD of numbers is the greatest common divisor
So, the GCD (278, 990, 84) = 2.
Given numbers are 278, 990, 84
The list of prime factors of all numbers are
Prime factors of 278 are 2 x 139
Prime factors of 990 are 2 x 3 x 3 x 5 x 11
Prime factors of 84 are 2 x 2 x 3 x 7
The highest common occurrence is 21
Therefore, GCD of 278, 990, 84 is 2.
Given numbers are 278, 990, 84
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(278, 990) = 137610
GCD(278, 990) = ( 278 x 990 ) / 137610
= 278 / 990
= 278
Step2:
LCM(2, 84) = 84
GCD(2, 84) = ( 2 x 84 ) / 84
= 2 / 84
= 2
So, Greatest Common Divisor of 278, 990, 84 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 278, 990, 84
The greatest common divisor of numbers 278, 990, 84 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 278, 990, 84 is 2.
1. What is the GCD of 278, 990, 84?
GCD of given numbers 278, 990, 84 is 2
2. How to calculate the greatest common divisor of 278, 990, 84?
We can find the highest common divisor of 278, 990, 84 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 278, 990, 84 i.e 2.
3. How can I use the GCD of 278, 990, 84Calculator?
Out the numbers 278, 990, 84 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.