Question

How to use nested while loops to find the prime numbers between 2 to 300 in C

Answer 1

#include <stdio.h>

void nested_while_loops_to_find_prime_numbers(int start, int end) {
    int i = start;
    
    while (i < end) {
        int j = 2;
        while (j <= (i / j)) {
            if (!(i % j)) {
                break;
            }
            j++;
        }
        if (j > i / j) {
            printf("%d\n", i);
        }
        i++;
    }
}
 
int main(void) {
    nested_while_loops_to_find_prime_numbers(2, 300);
}
 
 
 
 
/*
run:

2
3
5
7
11
13
17
19
23
29
31
37
41
43
47
53
59
61
67
71
73
79
83
89
97
101
103
107
109
113
127
131
137
139
149
151
157
163
167
173
179
181
191
193
197
199
211
223
227
229
233
239
241
251
257
263
269
271
277
281
283
293
 
*/

 

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