Online GCD Calculator is useful to find the GCD of 625, 780, 987 quickly. Get the easiest ways to solve the greatest common divisor of 625, 780, 987 i.e 1 in different methods as follows.
Given Input numbers are 625, 780, 987
In the factoring method, we have to find the divisors of all numbers
Divisors of 625 :
The positive integer divisors of 625 that completely divides 625 are.
1, 5, 25, 125, 625
Divisors of 780 :
The positive integer divisors of 780 that completely divides 780 are.
1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
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 (625, 780, 987) = 1.
Given numbers are 625, 780, 987
The list of prime factors of all numbers are
Prime factors of 625 are 5 x 5 x 5 x 5
Prime factors of 780 are 2 x 2 x 3 x 5 x 13
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 625, 780, 987
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(625, 780) = 97500
GCD(625, 780) = ( 625 x 780 ) / 97500
= 625 / 780
= 625
Step2:
LCM(5, 987) = 4935
GCD(5, 987) = ( 5 x 987 ) / 4935
= 5 / 987
= 5
So, Greatest Common Divisor of 625, 780, 987 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 625, 780, 987
The greatest common divisor of numbers 625, 780, 987 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 625, 780, 987 is 1.
1. What is the GCD of 625, 780, 987?
GCD of given numbers 625, 780, 987 is 1
2. How to calculate the greatest common divisor of 625, 780, 987?
We can find the highest common divisor of 625, 780, 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 625, 780, 987 i.e 1.
3. How can I use the GCD of 625, 780, 987Calculator?
Out the numbers 625, 780, 987 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.