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| #include <stdio.h> | |
| #include <string.h> | |
| #include <math.h> | |
| #include <stdlib.h> | |
| int isPrime(int n) { | |
| if(n<=1) { | |
| return 0; | |
| } | |
| if(n<=3) { | |
| return 1; | |
| } | |
| if(n%2==0 || n%3==0) { | |
| return 0; | |
| } | |
| int i=5; | |
| while(i*i<=n){ | |
| if(n%i==0 || n%(i+2)==0) { | |
| return 0; | |
| } | |
| i+=6; | |
| } | |
| return 1; | |
| } | |
| int main() { | |
| int N; | |
| scanf("%i", &N); | |
| int cases[N]; | |
| for(int i=0;i<N;i++) { | |
| scanf("%i",&cases[i]); | |
| } | |
| for(int case_i=0;case_i<N;case_i++) { | |
| int resPrime = isPrime(cases[case_i]); | |
| if(resPrime==1) { | |
| printf("%s","yes\n"); | |
| } | |
| else { | |
| printf("%s","no\n"); | |
| } | |
| } | |
| /* Enter your code here. Read input from STDIN. Print output to STDOUT */ | |
| return 0; | |
| } |
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| #import time | |
| #start = time.localtime() | |
| from sys import stdin, stdout | |
| Q=int(stdin.readline()) | |
| n=list() | |
| for i in range(0,Q): | |
| n.append(int(stdin.readline())) | |
| def isPrime(n) : | |
| if (n <= 1) : | |
| return "no" | |
| if (n <= 3) : | |
| return "yes" | |
| if (n%2 == 0 or n%3 == 0) : | |
| return "no" | |
| i = 5 | |
| while(i*i <= n) : | |
| if (n%i == 0 or n%(i + 2) == 0) : | |
| return "no" | |
| i = i + 6 | |
| return "yes" | |
| stdout.write('\n'.join(list(map(isPrime,n)))) | |
| #end=time.localtime() | |
| #print(end.tm_sec - start.tm_sec) |
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