Online GCD Calculator is useful to find the GCD of 690, 572, 972 quickly. Get the easiest ways to solve the greatest common divisor of 690, 572, 972 i.e 2 in different methods as follows.
Given Input numbers are 690, 572, 972
In the factoring method, we have to find the divisors of all numbers
Divisors of 690 :
The positive integer divisors of 690 that completely divides 690 are.
1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
Divisors of 572 :
The positive integer divisors of 572 that completely divides 572 are.
1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572
Divisors of 972 :
The positive integer divisors of 972 that completely divides 972 are.
1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972
GCD of numbers is the greatest common divisor
So, the GCD (690, 572, 972) = 2.
Given numbers are 690, 572, 972
The list of prime factors of all numbers are
Prime factors of 690 are 2 x 3 x 5 x 23
Prime factors of 572 are 2 x 2 x 11 x 13
Prime factors of 972 are 2 x 2 x 3 x 3 x 3 x 3 x 3
The highest common occurrence is 21
Therefore, GCD of 690, 572, 972 is 2.
Given numbers are 690, 572, 972
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(690, 572) = 197340
GCD(690, 572) = ( 690 x 572 ) / 197340
= 690 / 572
= 690
Step2:
LCM(2, 972) = 972
GCD(2, 972) = ( 2 x 972 ) / 972
= 2 / 972
= 2
So, Greatest Common Divisor of 690, 572, 972 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 690, 572, 972
The greatest common divisor of numbers 690, 572, 972 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 690, 572, 972 is 2.
1. What is the GCD of 690, 572, 972?
GCD of given numbers 690, 572, 972 is 2
2. How to calculate the greatest common divisor of 690, 572, 972?
We can find the highest common divisor of 690, 572, 972 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 690, 572, 972 i.e 2.
3. How can I use the GCD of 690, 572, 972Calculator?
Out the numbers 690, 572, 972 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.