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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 Jerry928
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Last updated: November 10, 2023
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First submittedNovember 10, 2023
Times taken25
Average score75.0%
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number
prime+
344
347
387
389
41
43
50
53
257
263
number
prime+
146
149
44
47
122
127
313
317
378
379
number
prime+
367
373
137
139
94
97
242
251
193
197
number
prime+
393
397
252
257
304
307
214
223
190
191
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