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Same digits (Posted on 2018-12-26) Difficulty: 3 of 5
What is the smallest multidigit prime, all its digits being distinct, such that its largest digit is the same as the largest digit of the sum of its digits?

See The Solution Submitted by Ady TZIDON    
Rating: 4.0000 (1 votes)

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re(2): computer solution | Comment 4 of 6 |
(In reply to re: computer solution by Ady TZIDON)

Without the requirement for primality there are answers below 379:



10  1
20  2
30  3
40  4
50  5
60  6
70  7
80  8
90  9
289  19
298  19
378  18

  Posted by Charlie on 2018-12-26 20:02:17
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