Online GCD Calculator is useful to find the GCD of 690, 846, 987, 807 quickly. Get the easiest ways to solve the greatest common divisor of 690, 846, 987, 807 i.e 3 in different methods as follows.
Given Input numbers are 690, 846, 987, 807
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 846 :
The positive integer divisors of 846 that completely divides 846 are.
1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846
Divisors of 987 :
The positive integer divisors of 987 that completely divides 987 are.
1, 3, 7, 21, 47, 141, 329, 987
Divisors of 807 :
The positive integer divisors of 807 that completely divides 807 are.
1, 3, 269, 807
GCD of numbers is the greatest common divisor
So, the GCD (690, 846, 987, 807) = 3.
Given numbers are 690, 846, 987, 807
The list of prime factors of all numbers are
Prime factors of 690 are 2 x 3 x 5 x 23
Prime factors of 846 are 2 x 3 x 3 x 47
Prime factors of 987 are 3 x 7 x 47
Prime factors of 807 are 3 x 269
The highest common occurrence is 31
Therefore, GCD of 690, 846, 987, 807 is 3.
Given numbers are 690, 846, 987, 807
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(690, 846) = 97290
GCD(690, 846) = ( 690 x 846 ) / 97290
= 690 / 846
= 690
Step2:
LCM(6, 987) = 1974
GCD(6, 987) = ( 6 x 987 ) / 1974
= 6 / 987
= 6
Step3:
LCM(3, 807) = 807
GCD(3, 807) = ( 3 x 807 ) / 807
= 3 / 807
= 3
So, Greatest Common Divisor of 690, 846, 987, 807 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 690, 846, 987, 807
The greatest common divisor of numbers 690, 846, 987, 807 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 690, 846, 987, 807 is 3.
1. What is the GCD of 690, 846, 987, 807?
GCD of given numbers 690, 846, 987, 807 is 3
2. How to calculate the greatest common divisor of 690, 846, 987, 807?
We can find the highest common divisor of 690, 846, 987, 807 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, 846, 987, 807 i.e 3.
3. How can I use the GCD of 690, 846, 987, 807Calculator?
Out the numbers 690, 846, 987, 807 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.