Exercises Java with Examples-
Practice Exercises Java 4,5 5 302940

Prime factors - Practice Exercises Java


Lesson 3:

Basic data types


Exercise 3.15:

Prime factors


Objetive:

Create a program that displays a number (entered by the user) as a product of its prime factors. For example, 60 = 2 · 2 · 3 · 5

(Hint: it can be easier if the solution is displayed as 60 = 2 · 2 · 3 · 5 · 1)


Source Code:


import java.util.*;
public class Main
{
	public static void main(String[] args)
	{
		int n;
		int d = 2;

		System.out.print("Enter the number: ");
		n = Integer.parseInt(new Scanner(System.in).nextLine());

		while (n > 1)
		{
			while (n % d == 0)
			{
				System.out.print(d);
				System.out.print(" · ");
				n = n / d;
			}

			d++;
		}
		System.out.print(1);
	}
}
Exercisey 3.15

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