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Brainteasers and Pure Mathematics› Number Theory and Digits› 31.3 Digit Puzzles
Problem 31.29 ★★★Easy Coming soon

Least Multiple of 15 in 0s and 1s

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Try 31.27 Digit Product Equal to Half
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Section 31.3

Digit Puzzles Toolkit
  1. 31.27Digit Product Equal to Half
  2. 31.28Ages from the Grandmother's Digits
  3. 31.29Least Multiple of 15 in 0s and 1s
  4. 31.30Smallest Number with Given Digit Product
  5. 31.31The Cyclic Number 142857
  6. 31.32Move the Last Digit, Multiply by 4
  7. 31.33Distinct Pairwise Digit Sums
  8. 31.34Dates with All Digits Distinct
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