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

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