Is It Prime?

Random Science or math Quiz

Can you name the first 100 primes and some non-primes?

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NumberPrime (P) or Not Prime (N)Possibly Helpful Information
349
487
11
469
73
137
421
403
523
373
331
281
171
347
181
419
307
17
131
341
13
271
389
241
511
149
87
457
411
359
509
263
379
277
97
393
441
431
1
261
197
433
109
51
367
283
371
313
7
69
NumberPrime (P) or Not Prime (N)Possibly Helpful Information
61
353
493
211
107
3
103
287
199
409
357
21
31
541
123
489
361
191
323
229
59
491
521
337
227
319
249
503
291
161
221
179
163
5
39
71
467
253
43
501
133
499
269
223
157
127
471
239
453
89
NumberPrime (P) or Not Prime (N)Possibly Helpful Information
443
139
41
533
83
67
449
437
173
91
383
29
527
101
479
293
23
2
251
397
401
183
387
151
111
143
231
543
461
19
47
113
53
333
423
463
159
217
301
167
273
311
193
439
79
203
37
317
257

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