GCD of 987, 448, 455 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 987, 448, 455 quickly. Get the easiest ways to solve the greatest common divisor of 987, 448, 455 i.e 7 in different methods as follows.
Given Input numbers are 987, 448, 455
In the factoring method, we have to find the divisors of all numbers
Divisors of 987 :
The positive integer divisors of 987 that completely divides 987 are.
1, 3, 7, 21, 47, 141, 329, 987
Divisors of 448 :
The positive integer divisors of 448 that completely divides 448 are.
1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448
Divisors of 455 :
The positive integer divisors of 455 that completely divides 455 are.
1, 5, 7, 13, 35, 65, 91, 455
GCD of numbers is the greatest common divisor
So, the GCD (987, 448, 455) = 7.
Given numbers are 987, 448, 455
The list of prime factors of all numbers are
Prime factors of 987 are 3 x 7 x 47
Prime factors of 448 are 2 x 2 x 2 x 2 x 2 x 2 x 7
Prime factors of 455 are 5 x 7 x 13
The highest common occurrence is 71
Therefore, GCD of 987, 448, 455 is 7.
Steps to Calculate GCD of 987, 448, 455 using LCM Formula
Given numbers are 987, 448, 455
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(987, 448) = 63168
GCD(987, 448) = ( 987 x 448 ) / 63168
= 987 / 448
= 987
Step2:
LCM(7, 455) = 455
GCD(7, 455) = ( 7 x 455 ) / 455
= 7 / 455
= 7
So, Greatest Common Divisor of 987, 448, 455 is 7
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 987, 448, 455
Given numbers are 987, 448, 455
The greatest common divisor of numbers 987, 448, 455 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 987, 448, 455 is 7.
FAQs on GCD of 987, 448, 455 Calculator
1. What is the GCD of 987, 448, 455?
GCD of given numbers 987, 448, 455 is 7
2. How to calculate the greatest common divisor of 987, 448, 455?
We can find the highest common divisor of 987, 448, 455 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 987, 448, 455 i.e 7.
3. How can I use the GCD of 987, 448, 455Calculator?
Out the numbers 987, 448, 455 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.