Full Reptend Prime

A Prime $p$ for which $1/p$ has a maximal period Decimal Expansion of $p-1$ Digits. The first few numbers with maximal decimal expansions are 7, 17, 19, 23, 29, 47, 59, 61, 97, ... (Sloane's A001913).

References

Sloane, N. J. A. Sequence A001913/M4353 in ``An On-Line Version of the Encyclopedia of Integer Sequences.'' http://www.research.att.com/~njas/sequences/eisonline.html and Sloane, N. J. A. and Plouffe, S. The Encyclopedia of Integer Sequences. San Diego: Academic Press, 1995.