is the smallest Prime such that , , or is divisible by , where is the Primorial of . Ashbacher (1996) shows that only exists
See also Primorial, Smarandache Function
References
Ashbacher, C. ``A Note on the Smarandache Near-To-Primordial Function.'' Smarandache Notions J. 7, 46-49, 1996.
Mudge, M. R. ``The Smarandache Near-To-Primorial Function.'' Abstracts of Papers Presented to the Amer. Math. Soc. 17,
585, 1996.
Sloane, N. J. A.
A013929 and
A046026
in ``An On-Line Version of the Encyclopedia of Integer Sequences.''
http://www.research.att.com/~njas/sequences/eisonline.html.