MAths

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.

  1. 0
  2. 0
  3. 10
asked by Ian
  1. 757

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    2. 0
    posted by Prem Singh

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