# Answered! this is my code, can you help me fix part 3 that I mark as Bold to vvvvvvvvvvvvv For a given integer n>1, output its prime factorization. E.g. n=8, output: 2^3; n=72, output: 2^3*3^2….

this is my code, can you help me fix part 3 that I mark as Bold to vvvvvvvvvvvvv

For a given integer n>1, output its prime factorization. E.g. n=8, output: 2^3; n=72, output: 2^3*3^2.

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Answered! this is my code, can you help me fix part 3 that I mark as Bold to vvvvvvvvvvvvv For a given integer n>1, output its prime factorization. E.g. n=8, output: 2^3; n=72, output: 2^3*3^2….
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import java.util.Scanner;

public class Main {

public static boolean Isprime(int N){ // check if N is prime

boolean mark = true; //default

if(N==1)return false; //not a prime

for(int i=2;i<N-1;i++){

if(N% i == 0){

mark = false;

break;

}

}

return mark;

}

public static void main(String[] args){

Scanner sc = new Scanner(System.in);

System.out.println(“Enter N for #1 and #2 : “);

int N = sc.nextInt();

int count = 0;

int k = 0;

System.out.println(“N is : ” + N);

System.out.println(N + ” Primes Are: “);

while(true){

if(count >0 && Isprime(count)){

System.out.println(count + ” “);

++k;

}

if(k == N) break;

++count;

}

System.out.println(“2. primes not exceeding ” + N +” : “);

for(int i =1; i<=N; ++i){

if(Isprime(i)){

System.out.println(i+ “”);

}

}

System.out.println(“Enter new N for question 3: “);

Scanner nsc = new Scanner(System.in);

int n = nsc.nextInt();

primefactors(n);

}

public static void primefactors(int n){

int count1 = 0; // print the number of 2s divide in

while(n%2 ==0){

count1++;

n= n/2;

}

if(count1 >=1){

System.out.println(“2^” + count1);

}

for(int i=3; i<= Math.sqrt(n); i= i+2){

int count2 =0;

while(n% i == 0){

count2++;

n = n/i;

}

if(count2 >=1){

System.out.println(” * ” + i + “^ “+ count2);

}

}

}

}

Your code works fine, for the part three no need to declare a new Scanner object, we can use the previously declared scanner object.

here is the bit modified code, i will have parameters as 8 and 72

import java.util.*;
import java.lang.*;
import java.io.*;

import java.util.Scanner;
public class Main {

public static boolean Isprime(int N){ // check if N is prime
boolean mark = true; //default

if(N==1)return false; //not a prime

for(int i=2;i<N-1;i++){
if(N% i == 0){
mark = false;
break;
}
}
return mark;
}

public static void main(String[] args){
Scanner sc = new Scanner(System.in);
System.out.println(“Enter N for #1 and #2 : “);
int N = sc.nextInt();

int count = 0;
int k = 0;
System.out.println(“N is : ” + N);
System.out.println(N + ” Primes Are: “);
while(true){
if(count >0 && Isprime(count)){
System.out.println(count + ” “);
++k;
}
if(k == N) break;
++count;
}

System.out.println(“2. primes not exceeding ” + N +” : “);
for(int i =1; i<=N; ++i){
if(Isprime(i)){
System.out.println(i+ “”);
}
}

System.out.println(“Enter new N for question 3: “);
int n = sc.nextInt();
primefactors(n);
}

public static void primefactors(int n){
int count1 = 0; // print the number of 2s divide in

while(n%2 ==0){
count1++;
n= n/2;
}
if(count1 >=1){
System.out.print(“2^” + count1);
}
for(int i=3; i<= Math.sqrt(n); i= i+2){
int count2 =0;
while(n% i == 0){
count2++;
n = n/i;
}

if(count2 >=1){
System.out.println(” * ” + i + “^ “+ count2);
}
}
}
}

Output:

Enter N for #1 and #2 :
N is : 8
8 Primes Are:
2
3
5
7
11
13
17
19
2. primes not exceeding 8 :
2
3
5
7
Enter new N for question 3: 72
2^3 * 3^ 2