Last active
February 16, 2020 18:10
-
-
Save m8ttyB/7d06cd2eede447fe11b1510b438b62d4 to your computer and use it in GitHub Desktop.
Exploring a question about primes
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
4 | |
6 | |
8 | |
9 | |
10 | |
12 | |
14 | |
15 | |
16 | |
18 | |
20 | |
21 | |
22 | |
24 | |
25 | |
26 | |
27 | |
28 | |
30 | |
32 | |
33 | |
34 | |
35 | |
36 | |
38 | |
39 | |
40 | |
42 | |
44 | |
45 | |
46 | |
48 | |
49 | |
50 | |
51 | |
52 | |
54 | |
55 | |
56 | |
57 | |
58 | |
60 | |
62 | |
63 | |
64 | |
65 | |
66 | |
68 | |
69 | |
70 | |
72 | |
74 | |
75 | |
76 | |
77 | |
78 | |
80 | |
81 | |
82 | |
84 | |
85 | |
86 | |
87 | |
88 | |
90 | |
91 | |
92 | |
93 | |
94 | |
95 | |
96 | |
98 | |
99 | |
100 | |
102 | |
104 | |
105 | |
106 | |
108 | |
110 | |
111 | |
112 | |
114 | |
115 | |
116 | |
117 | |
118 | |
119 | |
120 | |
121 | |
122 | |
123 | |
124 | |
125 | |
126 | |
128 | |
129 | |
130 | |
132 | |
133 | |
134 | |
135 | |
136 | |
138 | |
140 | |
141 | |
142 | |
143 | |
144 | |
145 | |
146 | |
147 | |
148 | |
150 | |
152 | |
153 | |
154 | |
155 | |
156 | |
158 | |
159 | |
160 | |
161 | |
162 | |
164 | |
165 | |
166 | |
168 | |
169 | |
170 | |
171 | |
172 | |
174 | |
175 | |
176 | |
177 | |
178 | |
180 | |
182 | |
183 | |
184 | |
185 | |
186 | |
187 | |
188 | |
189 | |
190 | |
192 | |
194 | |
195 | |
196 | |
198 | |
200 | |
201 | |
202 | |
203 | |
204 | |
205 | |
206 | |
207 | |
208 | |
209 | |
210 | |
212 | |
213 | |
214 | |
215 | |
216 | |
217 | |
218 | |
219 | |
220 | |
221 | |
222 | |
224 | |
225 | |
226 | |
228 | |
230 | |
231 | |
232 | |
234 | |
235 | |
236 | |
237 | |
238 | |
240 | |
242 | |
243 | |
244 | |
245 | |
246 | |
247 | |
248 | |
249 | |
250 | |
252 | |
253 | |
254 | |
255 | |
256 | |
258 | |
259 | |
260 | |
261 | |
262 | |
264 | |
265 | |
266 | |
267 | |
268 | |
270 | |
272 | |
273 | |
274 | |
275 | |
276 | |
278 | |
279 | |
280 | |
282 | |
284 | |
285 | |
286 | |
287 | |
288 | |
289 | |
290 | |
291 | |
292 | |
294 | |
295 | |
296 | |
297 | |
298 | |
299 | |
300 | |
301 | |
302 | |
303 | |
304 | |
305 | |
306 | |
308 | |
309 | |
310 | |
312 | |
314 | |
315 | |
316 | |
318 | |
319 | |
320 | |
321 | |
322 | |
323 | |
324 | |
325 | |
326 | |
327 | |
328 | |
329 | |
330 | |
332 | |
333 | |
334 | |
335 | |
336 | |
338 | |
339 | |
340 | |
341 | |
342 | |
343 | |
344 | |
345 | |
346 | |
348 | |
350 | |
351 | |
352 | |
354 | |
355 | |
356 | |
357 | |
358 | |
360 | |
361 | |
362 | |
363 | |
364 | |
365 | |
366 | |
368 | |
369 | |
370 | |
371 | |
372 | |
374 | |
375 | |
376 | |
377 | |
378 | |
380 | |
381 | |
382 | |
384 | |
385 | |
386 | |
387 | |
388 | |
390 | |
391 | |
392 | |
393 | |
394 | |
395 | |
396 | |
398 | |
399 | |
400 | |
402 | |
403 | |
404 | |
405 | |
406 | |
407 | |
408 | |
410 | |
411 | |
412 | |
413 | |
414 | |
415 | |
416 | |
417 | |
418 | |
420 | |
422 | |
423 | |
424 | |
425 | |
426 | |
427 | |
428 | |
429 | |
430 | |
432 | |
434 | |
435 | |
436 | |
437 | |
438 | |
440 | |
441 | |
442 | |
444 | |
445 | |
446 | |
447 | |
448 | |
450 | |
451 | |
452 | |
453 | |
454 | |
455 | |
456 | |
458 | |
459 | |
460 | |
462 | |
464 | |
465 | |
466 | |
468 | |
469 | |
470 | |
471 | |
472 | |
473 | |
474 | |
475 | |
476 | |
477 | |
478 | |
480 | |
481 | |
482 | |
483 | |
484 | |
485 | |
486 | |
488 | |
489 | |
490 | |
492 | |
493 | |
494 | |
495 | |
496 | |
497 | |
498 | |
500 | |
501 | |
502 | |
504 | |
505 | |
506 | |
507 | |
508 | |
510 | |
511 | |
512 | |
513 | |
514 | |
515 | |
516 | |
517 | |
518 | |
519 | |
520 | |
522 | |
524 | |
525 | |
526 | |
527 | |
528 | |
529 | |
530 | |
531 | |
532 | |
533 | |
534 | |
535 | |
536 | |
537 | |
538 | |
539 | |
540 | |
542 | |
543 | |
544 | |
545 | |
546 | |
548 | |
549 | |
550 | |
551 | |
552 | |
553 | |
554 | |
555 | |
556 | |
558 | |
559 | |
560 | |
561 | |
562 | |
564 | |
565 | |
566 | |
567 | |
568 | |
570 | |
572 | |
573 | |
574 | |
575 | |
576 | |
578 | |
579 | |
580 | |
581 | |
582 | |
583 | |
584 | |
585 | |
586 | |
588 | |
589 | |
590 | |
591 | |
592 | |
594 | |
595 | |
596 | |
597 | |
598 | |
600 | |
602 | |
603 | |
604 | |
605 | |
606 | |
608 | |
609 | |
610 | |
611 | |
612 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/usr/bin/env python | |
from math import sqrt | |
from sys import argv | |
def is_prime(num): | |
if num is 2: | |
return True | |
# print range(2, int(sqrt(num)) + 1) | |
for i in range(2, int(sqrt(num)) + 1): | |
if num % i == 0: | |
return False | |
return True | |
def are_primes(filename): | |
primes = [] | |
composites = [] | |
for i in open(filename): | |
num = int(i) | |
if not is_prime(num): | |
composites.append(num) | |
else: | |
primes.append(num) | |
print '%s contains these primes: %s' % (filename, primes) | |
print '%s contains these composites: %s' % (filename, composites) | |
if __name__ == '__main__': | |
print argv[1] | |
if argv[1] == '-f': | |
are_primes(argv[2]) | |
else: | |
num_list = [int(i) for i in argv[1:]] | |
for num in num_list: | |
print 'number: %s. prime number: %s' % (num, is_prime(num)) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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 | |
307 | |
311 | |
313 | |
317 | |
331 | |
337 | |
347 | |
349 | |
353 | |
359 | |
367 | |
373 | |
379 | |
383 | |
389 | |
397 | |
401 | |
409 | |
419 | |
421 | |
431 | |
433 | |
439 | |
443 | |
449 | |
457 | |
461 | |
463 | |
467 | |
479 | |
487 | |
491 | |
499 | |
503 | |
509 | |
521 | |
523 | |
541 | |
547 | |
557 | |
563 | |
569 | |
571 | |
577 | |
587 | |
593 | |
599 | |
601 | |
607 | |
613 | |
617 | |
619 | |
631 | |
641 | |
643 | |
647 | |
653 | |
659 | |
661 | |
673 | |
677 | |
683 | |
691 | |
701 | |
709 | |
719 | |
727 | |
733 | |
739 | |
743 | |
751 | |
757 | |
761 | |
769 | |
773 | |
787 | |
797 | |
809 | |
811 | |
821 | |
823 | |
827 | |
829 | |
839 | |
853 | |
857 | |
859 | |
863 | |
877 | |
881 | |
883 | |
887 | |
907 | |
911 | |
919 | |
929 | |
937 | |
941 | |
947 | |
953 | |
967 | |
971 | |
977 | |
983 | |
991 | |
997 | |
1009 | |
1013 | |
1019 | |
1021 | |
1031 | |
1033 | |
1039 | |
1049 | |
1051 | |
1061 | |
1063 | |
1069 | |
1087 | |
1091 | |
1093 | |
1097 | |
1103 | |
1109 | |
1117 | |
1123 | |
1129 | |
1151 | |
1153 | |
1163 | |
1171 | |
1181 | |
1187 | |
1193 | |
1201 | |
1213 | |
1217 | |
1223 | |
1229 | |
1231 | |
1237 | |
1249 | |
1259 | |
1277 | |
1279 | |
1283 | |
1289 | |
1291 | |
1297 | |
1301 | |
1303 | |
1307 | |
1319 | |
1321 | |
1327 | |
1361 | |
1367 | |
1373 | |
1381 | |
1399 | |
1409 | |
1423 | |
1427 | |
1429 | |
1433 | |
1439 | |
1447 | |
1451 | |
1453 | |
1459 | |
1471 | |
1481 | |
1483 | |
1487 | |
1489 | |
1493 | |
1499 | |
1511 | |
1523 | |
1531 | |
1543 | |
1549 | |
1553 | |
1559 | |
1567 | |
1571 | |
1579 | |
1583 | |
1597 | |
1601 | |
1607 | |
1609 | |
1613 | |
1619 | |
1621 | |
1627 | |
1637 | |
1657 | |
1663 | |
1667 | |
1669 | |
1693 | |
1697 | |
1699 | |
1709 | |
1721 | |
1723 | |
1733 | |
1741 | |
1747 | |
1753 | |
1759 | |
1777 | |
1783 | |
1787 | |
1789 | |
1801 | |
1811 | |
1823 | |
1831 | |
1847 | |
1861 | |
1867 | |
1871 | |
1873 | |
1877 | |
1879 | |
1889 | |
1901 | |
1907 | |
1913 | |
1931 | |
1933 | |
1949 | |
1951 | |
1973 | |
1979 | |
1987 | |
1993 | |
1997 | |
1999 | |
2003 | |
2011 | |
2017 | |
2027 | |
2029 | |
2039 | |
2053 | |
2063 | |
2069 | |
2081 | |
2083 | |
2087 | |
2089 | |
2099 | |
2111 | |
2113 | |
2129 | |
2131 | |
2137 | |
2141 | |
2143 | |
2153 | |
2161 | |
2179 | |
2203 | |
2207 | |
2213 | |
2221 | |
2237 | |
2239 | |
2243 | |
2251 | |
2267 | |
2269 | |
2273 | |
2281 | |
2287 | |
2293 | |
2297 | |
2309 | |
2311 | |
2333 | |
2339 | |
2341 | |
2347 | |
2351 | |
2357 | |
2371 | |
2377 | |
2381 | |
2383 | |
2389 | |
2393 | |
2399 | |
2411 | |
2417 | |
2423 | |
2437 | |
2441 | |
2447 | |
2459 | |
2467 | |
2473 | |
2477 | |
2503 | |
2521 | |
2531 | |
2539 | |
2543 | |
2549 | |
2551 | |
2557 | |
2579 | |
2591 | |
2593 | |
2609 | |
2617 | |
2621 | |
2633 | |
2647 | |
2657 | |
2659 | |
2663 | |
2671 | |
2677 | |
2683 | |
2687 | |
2689 | |
2693 | |
2699 | |
2707 | |
2711 | |
2713 | |
2719 | |
2729 | |
2731 | |
2741 | |
2749 | |
2753 | |
2767 | |
2777 | |
2789 | |
2791 | |
2797 | |
2801 | |
2803 | |
2819 | |
2833 | |
2837 | |
2843 | |
2851 | |
2857 | |
2861 | |
2879 | |
2887 | |
2897 | |
2903 | |
2909 | |
2917 | |
2927 | |
2939 | |
2953 | |
2957 | |
2963 | |
2969 | |
2971 | |
2999 | |
3001 | |
3011 | |
3019 | |
3023 | |
3037 | |
3041 | |
3049 | |
3061 | |
3067 | |
3079 | |
3083 | |
3089 | |
3109 | |
3119 | |
3121 | |
3137 | |
3163 | |
3167 | |
3169 | |
3181 | |
3187 | |
3191 | |
3203 | |
3209 | |
3217 | |
3221 | |
3229 | |
3251 | |
3253 | |
3257 | |
3259 | |
3271 | |
3299 | |
3301 | |
3307 | |
3313 | |
3319 | |
3323 | |
3329 | |
3331 | |
3343 | |
3347 | |
3359 | |
3361 | |
3371 | |
3373 | |
3389 | |
3391 | |
3407 | |
3413 | |
3433 | |
3449 | |
3457 | |
3461 | |
3463 | |
3467 | |
3469 | |
3491 | |
3499 | |
3511 | |
3517 | |
3527 | |
3529 | |
3533 | |
3539 | |
3541 | |
3547 | |
3557 | |
3559 | |
3571 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment