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C++ program that prints the prime numbers from 1 to 1000.

Xenophobic Xenomorph answered on April 18, 2022 Popularity 8/10 Helpfulness 5/10

answer C++ program that prints the prime numbers from 1 to 1000.

related c++ program to generate all the prime numbers between 1 and n

C++ program that prints the prime numbers from 1 to 1000.

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#include <iostream>
#include<cmath>
using namespace std;

int main()
{   cout << "Prime Numbers between 1 and 100 are:\n";

    for(int i=2;i<=100;++i) //loop to check for each number in the range

    {   int ctr=0; //to maintain factor count

        for(int j=2;j<=sqrt(i);++j) //checking for factors

        {   if(i%j==0)

                ctr=1; //increasing factor count when found

        }

        if(ctr==0) //checking and printing prime numbers

                cout<<i<<" ";

    }

    return 0;

}

Popularity 8/10 Helpfulness 5/10 Language cpp

Source: www.studymite.com

Tags: c++ numbers

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Contributed on Jun 23 2022

Xenophobic Xenomorph

0 Answers Avg Quality 2/10

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c++ program to generate all the prime numbers between 1 and n

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// C++ program to display Prime numbers till N
#include <bits/stdc++.h>
using namespace std;
 
//function to check if a given number is prime
bool isPrime(int n){
      //since 0 and 1 is not prime return false.
      if(n==1||n==0) return false;
   
      //Run a loop from 2 to n-1
      for(int i=2; i<n; i++){
        // if the number is divisible by i, then n is not a prime number.
        if(n%i==0) return false;
      }
      //otherwise, n is prime number.
      return true;
}
 
 
// Driver code
int main()
{
    int N = 100;
 
    //check for every number from 1 to N
      for(int i=1; i<=N; i++){
          //check if current number is prime
          if(isPrime(i)) {
            cout << i << " ";
          }
    }
 
    return 0;
}

Popularity 8/10 Helpfulness 3/10 Language cpp

Source: www.geeksforgeeks.org

Tags: n c++ numbers generate between numb

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Contributed on Apr 18 2022

Determined Dolphin

0 Answers Avg Quality 2/10

C++ program that prints the prime numbers from 1 to 1000.

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C++ program that prints the prime numbers from 1 to 1000.

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c++ program to generate all the prime numbers between 1 and n

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