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Multiples with 3 (Posted on 2017-01-31) Difficulty: 3 of 5
The first three multiples of 1153 all contain the digit 3: 1153, 2306, 3459. But its next multiple 4612 does not.

What is the smallest integer whose first four multiples all contain a 3?

What about 5 or 6 multiples?

No Solution Yet Submitted by Brian Smith    
Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Some Thoughts re(2): computer solution, taken beyond Comment 3 of 3 |
(In reply to re: computer solution, taken beyond by Math Man)

obvious.
  Posted by Ady TZIDON on 2017-01-31 22:08:15

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