Program to print the first 10 prime numbers

Program to print the first 10 prime numbers on fibonacci, factorial, prime, armstrong, swap, reverse, search, sort, stack, queue, array, linkedlist, tree, graph, pattern, string etc.

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Program to print the first 10 prime numbers

Prime Numbers

Prime numbers are the natural numbers that can be divided by their self or by 1 without any remainder.

For example: 2, 3, 5, 7, 11, 13, 17 etc.

NOTE: 2 is the only even prime number.

In this program, we need to print the first 10 prime numbers: 2,3,5,7,11,13,17,19,23,29.

Algorithm

STEP 1: START
STEP 2: SET ct =0, n =0, i= 1, j=1
STEP 3: REPEAT STEP 4 to 12 UNTIL n<10
STEP 4: j =1
STEP 5: ct =0
STEP 6: REPEAT STEP 7 to 9 UNTIL j<=i
STEP 7: if i%j==0 then
STEP 8: ct = ct+1
STEP 9: j =j+1
STEP 10: if ct==2 then PRINT i
STEP 11: n =n+1
STEP 12: i = i+1
STEP 13: END

Java Program

public class Prime
{
public static void main(String[] args) 
{
int ct=0,n=0,i=1,j=1;
while(n<10)
{
j=1;
ct=0;
while(j<=i)
{
if(i%j==0)
ct++;
j++; 
}
if(ct==2)
{
System.out.printf("%d ",i);
n++;
}
i++;
}
}
}

Output:

2,3,5,7,11,13,17,19,23,29

C Program

#include <stdio.h>
int main()
{
    int ct=0,n=0,i=1,j=1;
	while(n<10)
	{
		j=1;
		ct=0;
		while(j<=i)
		{
			if(i%j==0)
			ct++;
			j++; 
		}
		if(ct==2)
		{
			printf("%d ",i);
			n++;
		}
		i++;
}
}

Output:

2,3,5,7,11,13,17,19,23,29

Python Program

r=30
for a in range(2,r+1):
    k=0
    for i in range(2,a//2+1):
        if(a%i==0):
            k=k+1
    if(k<=0):
        print(a,end=" ")

Output:

2,3,5,7,11,13,17,19,23,29

C# Program

using System; 
class Prime_Number
{
   public static void Main()
    {
    int ct=0,n=0,i=1,j=1;
	while(n<10)
	{
		j=1;
		ct=0;
		while(j<=i)
		{
			if(i%j==0)
			ct++;
			j++; 
		}
		if(ct==2)
		{
			Console.Write(i);
			Console.Write(" ");
			n++;
		}
		i++;
}
}}

Output:

2,3,5,7,11,13,17,19,23,29

PHP Program

<?php
$ct=0;
$n=0;
$i=1;
$j=1;
while($n<10)
{
$j=1;
$ct=0;
while($j<=$i)
{
if($i%$j==0)
$ct++;
$j++; 
}
if($ct == 2)
{
echo $i;
echo " ";
$n++;
}
$i++;
}
?>

Output:

2,3,5,7,11,13,17,19,23,29

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Program to print the first 10 prime numbers