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A127892
Largest n-digit left-truncatable prime.
2
7, 97, 997, 9967, 99643, 998443, 9986113, 99979337, 999962683, 9987983617, 99978397283, 999631686353, 9997564326947, 99769267986197, 999769267986197, 9957969395462467, 99957969395462467, 992429121339693967, 8963315421273233617, 86312646216567629137
OFFSET
1,1
COMMENTS
Ends at a(24) = 357686312646216567629137.
LINKS
I. O. Angell and H. J. Godwin, On Truncatable Primes, Math. Comput. 31, 265-267, 1977.
CROSSREFS
KEYWORD
base,nonn,fini,full
AUTHOR
Ray Chandler, Feb 04 2007
STATUS
approved