Between 10^31103-86991 and 10^31103+638733 lies a record prime gap
of 725724 and which has a merit above ten namely 10,133 !
[ 725724 / (31103*ln(10)) ]

Smallest PRP of the form 10^x+y , (length x+1).
PRP to base 3,5,7.
PFGW Version 1.2.0 for Windows [FFT v23.8].
Date of submission : 17 november 2008.
http..www.worldofnumbers.com

To be completed...