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Fast Math - Next Higher Prime!

For each number, what is its next higher prime number?
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Quiz by OnBin
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Last updated: November 10, 2023
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First submittedNovember 10, 2023
Times taken21
Average score70.0%
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number
prime+
252
257
127
131
311
313
350
353
309
311
number
prime+
282
283
187
191
89
97
392
397
201
211
number
prime+
70
71
97
101
398
401
247
251
291
293
number
prime+
268
269
114
127
194
197
212
223
294
307
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