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#include <stdio.h> #include <math.h> int isPrime(int n) { if (n < 2) return 0; for (int i = 2; i <= sqrt(n); i++) { if (n % i == 0) return 0; } return 1; } void printPrime(int a, int b) { printf("Cac so nguyen to tu %d den %d la: ", a, b); for (int i = a; i <= b; i++) { if (isPrime(i)) printf("%d ", i); } } int main() { int a, b; printf("Nhap vao khoang a, b: "); scanf("%d %d", &a, &b); printPrime(a, b); return 0; }
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