m,n均為正整數(shù)
public class IsPrime {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int m = sc.nextInt();
int n =sc.nextInt();
}
private static void isPrime(int m,int n){
int j,k;
int amount = 0;//素?cái)?shù)的個(gè)數(shù)(已知m<n)
j = m;
k = n;
for (int i = j; i <= n; i++) {
int temp = 0;
for (int t = 1; t <= i; t++) {
if(i%t==0){
temp++;
}
}
if(temp<=2){
amount++;
}
}
System.out.println("素?cái)?shù)總數(shù)是"+amount);
}
}
