Online GCD Calculator is useful to find the GCD of 642, 924, 699, 249 quickly. Get the easiest ways to solve the greatest common divisor of 642, 924, 699, 249 i.e 3 in different methods as follows.
Given Input numbers are 642, 924, 699, 249
In the factoring method, we have to find the divisors of all numbers
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
Divisors of 924 :
The positive integer divisors of 924 that completely divides 924 are.
1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924
Divisors of 699 :
The positive integer divisors of 699 that completely divides 699 are.
1, 3, 233, 699
Divisors of 249 :
The positive integer divisors of 249 that completely divides 249 are.
1, 3, 83, 249
GCD of numbers is the greatest common divisor
So, the GCD (642, 924, 699, 249) = 3.
Given numbers are 642, 924, 699, 249
The list of prime factors of all numbers are
Prime factors of 642 are 2 x 3 x 107
Prime factors of 924 are 2 x 2 x 3 x 7 x 11
Prime factors of 699 are 3 x 233
Prime factors of 249 are 3 x 83
The highest common occurrence is 31
Therefore, GCD of 642, 924, 699, 249 is 3.
Given numbers are 642, 924, 699, 249
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(642, 924) = 98868
GCD(642, 924) = ( 642 x 924 ) / 98868
= 642 / 924
= 642
Step2:
LCM(6, 699) = 1398
GCD(6, 699) = ( 6 x 699 ) / 1398
= 6 / 699
= 6
Step3:
LCM(3, 249) = 249
GCD(3, 249) = ( 3 x 249 ) / 249
= 3 / 249
= 3
So, Greatest Common Divisor of 642, 924, 699, 249 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 642, 924, 699, 249
The greatest common divisor of numbers 642, 924, 699, 249 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 642, 924, 699, 249 is 3.
1. What is the GCD of 642, 924, 699, 249?
GCD of given numbers 642, 924, 699, 249 is 3
2. How to calculate the greatest common divisor of 642, 924, 699, 249?
We can find the highest common divisor of 642, 924, 699, 249 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 642, 924, 699, 249 i.e 3.
3. How can I use the GCD of 642, 924, 699, 249Calculator?
Out the numbers 642, 924, 699, 249 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.