Never mind! ----- Original Message ----- From: "David Wilson" <davidwwilson@comcast.net> To: "math-fun" <math-fun@mailman.xmission.com> Sent: Tuesday, March 02, 2010 11:52 PM Subject: [math-fun] Prime question

Can a prime >= 10 have all prime digits but no longer prime substring?

_______________________________________________ math-fun mailing list math-fun@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun