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Identifying Prime and Composite Numbers (within 99)

Answer as many questions as you can. Use the 'Enter' key or press 'Go' to submit each answer. Your time starts after you answer the first one.

Timer:  10 minutes       5 minutes       3 minutes       1 minute

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Tablet Version (disables pop-up keyboard):   
Is is a prime or composite number?

 



Restart Clear prime number composite number Go
     Music On: (1 min only)
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