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Defining a number (Posted on 2019-01-05) Difficulty: 3 of 5
My number consists of 3 digits in strictly increasing order. It is a semiprime number, both factors terminating by the same digit.
Find it.

Bonus: is there a solution for 4-digit number?

No Solution Yet Submitted by Ady TZIDON    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
Solutioncomputer solutionsCharlie2019-01-05 13:47:53
solutionsxdog2019-01-05 08:50:36
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