Online GCD Calculator is useful to find the GCD of 436, 840, 987 quickly. Get the easiest ways to solve the greatest common divisor of 436, 840, 987 i.e 1 in different methods as follows.
Given Input numbers are 436, 840, 987
In the factoring method, we have to find the divisors of all numbers
Divisors of 436 :
The positive integer divisors of 436 that completely divides 436 are.
1, 2, 4, 109, 218, 436
Divisors of 840 :
The positive integer divisors of 840 that completely divides 840 are.
1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
Divisors of 987 :
The positive integer divisors of 987 that completely divides 987 are.
1, 3, 7, 21, 47, 141, 329, 987
GCD of numbers is the greatest common divisor
So, the GCD (436, 840, 987) = 1.
Given numbers are 436, 840, 987
The list of prime factors of all numbers are
Prime factors of 436 are 2 x 2 x 109
Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7
Prime factors of 987 are 3 x 7 x 47
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 436, 840, 987
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(436, 840) = 91560
GCD(436, 840) = ( 436 x 840 ) / 91560
= 436 / 840
= 436
Step2:
LCM(4, 987) = 3948
GCD(4, 987) = ( 4 x 987 ) / 3948
= 4 / 987
= 4
So, Greatest Common Divisor of 436, 840, 987 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 436, 840, 987
The greatest common divisor of numbers 436, 840, 987 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 436, 840, 987 is 1.
1. What is the GCD of 436, 840, 987?
GCD of given numbers 436, 840, 987 is 1
2. How to calculate the greatest common divisor of 436, 840, 987?
We can find the highest common divisor of 436, 840, 987 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 436, 840, 987 i.e 1.
3. How can I use the GCD of 436, 840, 987Calculator?
Out the numbers 436, 840, 987 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.