Sunday
April 20, 2014

Homework Help: MAths

Posted by Ian on Monday, April 15, 2013 at 3:12am.

Consider a digital clock. The first time after midnight when the three digits are all prime numbers is 2:22 am. What is the last time before 10:00 am, when the three digits on the clock are all prime numbers?

Details and assumptions
If you determine that the time is 4:23 am, type in 423 as your numerical answer.

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