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#include <stdio.h>
#include <math.h>
int isPrime(int num); //μμ νλ³νλ ν¨μ
int isPrime(int num){
if (num <= 1) return 0;
for(int i = 2; i <= sqrt(num); ++i){ //sqrt μ κ³±κ·Ό ꡬνλ ν¨μ, κ³μ° μκ°μ΄ ν¨μ¬ λΉ¨λΌμ§
if (num % i == 0) return 0;
}
return 1;
}
int main(){
int num;
printf("μ μλ₯Ό μ
λ ₯νμΈμ: ");
scanf("%d", &num);
if(isPrime(num)){
printf("%dλ μμμ
λλ€.\n", num);
}
else{
printf("%dλ μμκ° μλλλ€.\n", num);
}
return 0;
}
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