Science Quiz / Is It Prime?

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

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Forced OrderWrong Answers
Also try: Prime Numbers
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Score 0/149 Timer 12:00
NumberPrime (P) or Not Prime (N)Possibly Helpful Information
149
271
367
261
469
493
433
211
131
39
229
127
291
479
173
317
301
401
157
501
199
371
13
19
73
139
53
311
543
423
441
23
7
257
489
181
113
37
287
21
197
383
293
3
313
61
509
397
91
123
NumberPrime (P) or Not Prime (N)Possibly Helpful Information
43
109
439
471
331
337
1
151
193
29
241
323
133
283
419
179
2
161
11
67
59
111
239
341
527
379
41
249
183
521
307
359
357
5
487
31
97
319
349
103
171
217
281
253
463
203
251
373
347
461
NumberPrime (P) or Not Prime (N)Possibly Helpful Information
277
503
353
533
143
333
387
263
69
47
499
421
523
409
457
443
191
393
269
403
431
17
273
467
361
89
107
411
83
541
101
511
87
437
51
449
231
221
491
137
163
79
453
71
227
159
167
389
223

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