Greatest common divisor using prime factorizations [JAVA]












0















I would like to find the greatest common divisor using prime factorizations. At the end of my code I have factors of two numbers. How can I found the GCD?



import java.util.ArrayList;
import java.util.List;

public class Zadanie2 {
public static List<Integer> nwd(int liczby) {
int n = liczby;
List<Integer> dzielniki = new ArrayList<Integer>();
for (int i = 2; i <= n / i; i++) {
while (n % i == 0) {
dzielniki.add(i);
n = n / i;
}
}
if (n > 1) {
dzielniki.add(n);
}
return dzielniki;
}

public static void main(String args) {
System.out.println("Czynniki pierwsze liczby 12");
for (Integer liczby : nwd(12)) {
System.out.println(liczby);
}
System.out.println("Czynniki pierwsze liczby 16");
for (Integer liczby : nwd(16)) {
System.out.println(liczby);
}


}
}









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  • 1





    You have the factors of both numbers, what is the problem you are facing getting the GCD of the two numbers? Explain in your own words what a GCD is based on factors of the numbers.

    – Progman
    Nov 14 '18 at 22:28
















0















I would like to find the greatest common divisor using prime factorizations. At the end of my code I have factors of two numbers. How can I found the GCD?



import java.util.ArrayList;
import java.util.List;

public class Zadanie2 {
public static List<Integer> nwd(int liczby) {
int n = liczby;
List<Integer> dzielniki = new ArrayList<Integer>();
for (int i = 2; i <= n / i; i++) {
while (n % i == 0) {
dzielniki.add(i);
n = n / i;
}
}
if (n > 1) {
dzielniki.add(n);
}
return dzielniki;
}

public static void main(String args) {
System.out.println("Czynniki pierwsze liczby 12");
for (Integer liczby : nwd(12)) {
System.out.println(liczby);
}
System.out.println("Czynniki pierwsze liczby 16");
for (Integer liczby : nwd(16)) {
System.out.println(liczby);
}


}
}









share|improve this question


















  • 1





    You have the factors of both numbers, what is the problem you are facing getting the GCD of the two numbers? Explain in your own words what a GCD is based on factors of the numbers.

    – Progman
    Nov 14 '18 at 22:28














0












0








0








I would like to find the greatest common divisor using prime factorizations. At the end of my code I have factors of two numbers. How can I found the GCD?



import java.util.ArrayList;
import java.util.List;

public class Zadanie2 {
public static List<Integer> nwd(int liczby) {
int n = liczby;
List<Integer> dzielniki = new ArrayList<Integer>();
for (int i = 2; i <= n / i; i++) {
while (n % i == 0) {
dzielniki.add(i);
n = n / i;
}
}
if (n > 1) {
dzielniki.add(n);
}
return dzielniki;
}

public static void main(String args) {
System.out.println("Czynniki pierwsze liczby 12");
for (Integer liczby : nwd(12)) {
System.out.println(liczby);
}
System.out.println("Czynniki pierwsze liczby 16");
for (Integer liczby : nwd(16)) {
System.out.println(liczby);
}


}
}









share|improve this question














I would like to find the greatest common divisor using prime factorizations. At the end of my code I have factors of two numbers. How can I found the GCD?



import java.util.ArrayList;
import java.util.List;

public class Zadanie2 {
public static List<Integer> nwd(int liczby) {
int n = liczby;
List<Integer> dzielniki = new ArrayList<Integer>();
for (int i = 2; i <= n / i; i++) {
while (n % i == 0) {
dzielniki.add(i);
n = n / i;
}
}
if (n > 1) {
dzielniki.add(n);
}
return dzielniki;
}

public static void main(String args) {
System.out.println("Czynniki pierwsze liczby 12");
for (Integer liczby : nwd(12)) {
System.out.println(liczby);
}
System.out.println("Czynniki pierwsze liczby 16");
for (Integer liczby : nwd(16)) {
System.out.println(liczby);
}


}
}






java greatest-common-divisor






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asked Nov 14 '18 at 21:54









Bartosz WencierskiBartosz Wencierski

1




1








  • 1





    You have the factors of both numbers, what is the problem you are facing getting the GCD of the two numbers? Explain in your own words what a GCD is based on factors of the numbers.

    – Progman
    Nov 14 '18 at 22:28














  • 1





    You have the factors of both numbers, what is the problem you are facing getting the GCD of the two numbers? Explain in your own words what a GCD is based on factors of the numbers.

    – Progman
    Nov 14 '18 at 22:28








1




1





You have the factors of both numbers, what is the problem you are facing getting the GCD of the two numbers? Explain in your own words what a GCD is based on factors of the numbers.

– Progman
Nov 14 '18 at 22:28





You have the factors of both numbers, what is the problem you are facing getting the GCD of the two numbers? Explain in your own words what a GCD is based on factors of the numbers.

– Progman
Nov 14 '18 at 22:28












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