Is It Prime?

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

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