GCD of 89, 84, 42, 15 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 89, 84, 42, 15 quickly. Get the easiest ways to solve the greatest common divisor of 89, 84, 42, 15 i.e 1 in different methods as follows.
Given Input numbers are 89, 84, 42, 15
In the factoring method, we have to find the divisors of all numbers
Divisors of 89 :
The positive integer divisors of 89 that completely divides 89 are.
1, 89
Divisors of 84 :
The positive integer divisors of 84 that completely divides 84 are.
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
Divisors of 42 :
The positive integer divisors of 42 that completely divides 42 are.
1, 2, 3, 6, 7, 14, 21, 42
Divisors of 15 :
The positive integer divisors of 15 that completely divides 15 are.
1, 3, 5, 15
GCD of numbers is the greatest common divisor
So, the GCD (89, 84, 42, 15) = 1.
Given numbers are 89, 84, 42, 15
The list of prime factors of all numbers are
Prime factors of 89 are 89
Prime factors of 84 are 2 x 2 x 3 x 7
Prime factors of 42 are 2 x 3 x 7
Prime factors of 15 are 3 x 5
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 89, 84, 42, 15 using LCM Formula
Given numbers are 89, 84, 42, 15
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(89, 84) = 7476
GCD(89, 84) = ( 89 x 84 ) / 7476
= 89 / 84
= 89
Step2:
LCM(1, 42) = 42
GCD(1, 42) = ( 1 x 42 ) / 42
= 1 / 42
= 1
Step3:
LCM(1, 15) = 15
GCD(1, 15) = ( 1 x 15 ) / 15
= 1 / 15
= 1
So, Greatest Common Divisor of 89, 84, 42, 15 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 89, 84, 42, 15
Given numbers are 89, 84, 42, 15
The greatest common divisor of numbers 89, 84, 42, 15 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 89, 84, 42, 15 is 1.
FAQs on GCD of 89, 84, 42, 15 Calculator
1. What is the GCD of 89, 84, 42, 15?
GCD of given numbers 89, 84, 42, 15 is 1
2. How to calculate the greatest common divisor of 89, 84, 42, 15?
We can find the highest common divisor of 89, 84, 42, 15 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 89, 84, 42, 15 i.e 1.
3. How can I use the GCD of 89, 84, 42, 15Calculator?
Out the numbers 89, 84, 42, 15 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.