Answers for "primew numbers"

23

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 ...
Posted by: Guest on January-07-2021
0

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<<" ";
	}
}
Posted by: Guest on April-30-2020

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