is 33 prime number
33 is primefind is number prime
int number;
cin >> number;
if (number == 2) {
cout << "Prime" << endl;
return;
}else if(number == 1 || number % 2 == 0){
cout << "Not prime" << endl;
return;
}
for (int i = 3; i * i <= number; i+=2) {
if(number % j == 0){
cout << "Not prime" << endl;
return;
}
}
cout << "Prime" << endl;
return;program to know if a number is prime
#include<bits/stdc++.h>
using namespace std;
bool Is_Prime(long long x){
if(x%2==0)return false;
for(int i=3;i*i<=x;i+=2)
if(x%i==0)return false;
return true;
}
int main(){
long long x;
cin>>x;
if(Is_Prime(x))cout<<"Is Prime";
else cout<<"Is not Prime";
}verify a prime number
function isPrime(n){
var divisor = 2;
while (n > divisor){
if(n % divisor == 0){
return false;
}
else
divisor++;
}
return true;
}
> isPrime(137);
= true
> isPrime(237);
= falseCopyright © 2021 Codeinu
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