111111
#include <stdio.h>
#include <openssl/bn.h>
int main() {
BIGNUM *num, *result;
BN_CTX *ctx;
num = BN_new();
result = BN_new();
ctx = BN_CTX_new();
BN_one(result);
for (int i = 2; i <= 1000; i++) {
if (BN_is_prime(num, BN_prime_checks_for_size(i), NULL, ctx)) {
BN_mul(result, result, num, ctx);
}
}
char *result_str = BN_bn2dec(result);
printf("The product of primes from 2 to 1000 is: %s\n", result_str);
BN_free(num);
BN_free(result);
BN_CTX_free(ctx);
OPENSSL_free(result_str);
return 0;
}