Is It Prime?

Random Science or math Quiz

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

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

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