prime numbers
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41,
43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 ...prime numbers
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41,
43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 ...what are prime numbers
Prime numbers: whole numbers greater than 1 that are only divisible
by 1 and itself.first prime numbers less than
#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(){
//primes less than n
int n;
cin>>n;
int primes=0,i=1;
while(primes++<n){
while(!Is_Prime(++i));
cout<<i<<" ";
}
}prime numbers
function isPrime(num) {
if(num <= 2){
return num + " is not prime"
}
for(let i = 2; i < num; i++){
if(num % i == 0){
return num + " is not prime"
}
}
return num + " is prime"
}
console.log(isPrime(4))
console.log(isPrime(6))
console.log(isPrime(0))
console.log(isPrime(-9))
console.log(isPrime(43))
console.log(isPrime(-2))
console.log(isPrime(-1))What are prime numbers
Numbers with 2- factors.
2 is a composite number because it has less than 2 factors (1, 2)Copyright © 2021 Codeinu
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