1.

Write a program to accept any 20 numbers and display only those numbers which are composite.hint: a numbers said to be composite if it has more than two factors​

Answer»

Answer:

JAVA PROGRAM

import java.util.*;

public class Composite

{

public static void main(String args[])

{

Scanner in=new Scanner(System.in);

int i, J, k, FACTOR;

int n[]=new int[20];

for(i=0;i<20;i++)

{

System.out.print("Enter the NUMBER: ");

n[i]=in.nextInt();

}

System.out.println("The composite nos are: \n");

for(i=0;i<20;i++)

{

k=n[i];

{

factor=0;

for(j=1;j

{

if(k%j==0)

factor++;

}

}

if(factor>1)

System.out.print(n[i]+" ");

}

}

}

Explanation:

OUTPUT YOU CAN PUT ANY NUMBER.

Enter the number: 1

Enter the number: 2

Enter the number: 3

Enter the number: 4

Enter the number: 5

Enter the number: 6

Enter the number: 7

Enter the number: 8

Enter the number: 9

Enter the number: 10

Enter the number: 11

Enter the number: 12

Enter the number: 13

Enter the number: 14

Enter the number: 15

Enter the number: 16

Enter the number: 17

Enter the number: 18

Enter the number: 19

Enter the number: 20

The composite nos are:

4 6 8 9 10 12 14 15 16 18 20


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