DART

prime number checker dart

import 'dart:io';

void main() {
  stdout.write("Please give us a number: ");
  int chosenNumber = int.parse(stdin.readLineSync());

  checkPrime(chosenNumber);
}

void checkPrime(int number) {
  // List comprehensions
  List<int> a = [
    for (var i = 1; i <= number; i++)
      if (number % i == 0) i
  ];

  // Check for prime
  a.length == 1
      ? print("The chosen number is a prime")
      : print("The chosen number is not a prime");
}

Get Prime Number in dart

     var newArray = List.generate(10000, (index) => index);
 List b=[];


      void checkPrime(int num){
        int i,m=0,flag=0;
        m=num~/2;
        for(i = 2;i<=m;i++){
          if(num%i == 0){
            flag=1;
            break;
          }
        }
        if(flag==0){
          b.add(num);
          // print('num $num');
        }}
        
        
     for(int i=1;i<newArray.length; i++){
      checkPrime(newArray[i]);
     }


     print(b);