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Prime times (Posted on 2011-03-18) Difficulty: 3 of 5
3:53 is a prime time because 353 is prime.
1. How many prime times are there in 12 hours?
2. How many prime times are there in 24 hours?

See The Solution Submitted by Math Man    
Rating: 4.0000 (1 votes)

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  Subject Author Date
Solutioncomputer solutionCharlie2011-03-18 12:55:09
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