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PrimeFactorization.java

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package Maths;

import java.util.Scanner;

public class PrimeFactorization {

public static void main(String[] args) {

System.out.println("## all prime factors ##");

Scanner scanner = new Scanner(System.in);

System.out.print("Enter a number: ");

int n = scanner.nextInt();

System.out.print(("printing factors of " + n + " : "));

pfactors(n);

scanner.close();

}

public static void pfactors(int n) {

while (n % 2 == 0) {

System.out.print(2 + " ");

n /= 2;

}

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

while (n % i == 0) {

System.out.print(i + " ");

n /= i;

}

}

if (n > 2) System.out.print(n);

}

}