OFFSET
1,2
COMMENTS
Note that 9973 is the largest four-digit prime and 10007 is the smallest five-digit prime.
LINKS
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
EXAMPLE
If k=14 then 9973*14 + 10007 = 149629 (prime).
If k=32 then 9973*32 + 10007 = 329143 (prime).
If k=42 then 9973*42 + 10007 = 428873 (prime).
MATHEMATICA
Select[ Range[ 0, 791], PrimeQ[9973# + 10007]&] (* Robert G. Wilson v, Jan 20 2005 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Parthasarathy Nambi, Jan 18 2005
EXTENSIONS
STATUS
approved