Online GCD Calculator is useful to find the GCD of 552, 624, 21 quickly. Get the easiest ways to solve the greatest common divisor of 552, 624, 21 i.e 3 in different methods as follows.
Given Input numbers are 552, 624, 21
In the factoring method, we have to find the divisors of all numbers
Divisors of 552 :
The positive integer divisors of 552 that completely divides 552 are.
1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552
Divisors of 624 :
The positive integer divisors of 624 that completely divides 624 are.
1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624
Divisors of 21 :
The positive integer divisors of 21 that completely divides 21 are.
1, 3, 7, 21
GCD of numbers is the greatest common divisor
So, the GCD (552, 624, 21) = 3.
Given numbers are 552, 624, 21
The list of prime factors of all numbers are
Prime factors of 552 are 2 x 2 x 2 x 3 x 23
Prime factors of 624 are 2 x 2 x 2 x 2 x 3 x 13
Prime factors of 21 are 3 x 7
The highest common occurrence is 31
Therefore, GCD of 552, 624, 21 is 3.
Given numbers are 552, 624, 21
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(552, 624) = 14352
GCD(552, 624) = ( 552 x 624 ) / 14352
= 552 / 624
= 552
Step2:
LCM(24, 21) = 168
GCD(24, 21) = ( 24 x 21 ) / 168
= 24 / 21
= 24
So, Greatest Common Divisor of 552, 624, 21 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 552, 624, 21
The greatest common divisor of numbers 552, 624, 21 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 552, 624, 21 is 3.
1. What is the GCD of 552, 624, 21?
GCD of given numbers 552, 624, 21 is 3
2. How to calculate the greatest common divisor of 552, 624, 21?
We can find the highest common divisor of 552, 624, 21 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 552, 624, 21 i.e 3.
3. How can I use the GCD of 552, 624, 21Calculator?
Out the numbers 552, 624, 21 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.