View Compilation Error

0_0_6855266_14639.cpp: In function `void Isprime()':
0_0_6855266_14639.cpp:14: error: `i' undeclared (first use this function)
0_0_6855266_14639.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6855266_14639.cpp:15: error: `j' undeclared (first use this function)
0_0_6855266_14639.cpp: At global scope:
0_0_6855266_14639.cpp:23: error: expected declaration before '}' token