√70以上 ¿Ñ L ¤¢ CXg SÅÌn ~jL 957724
There is a simpler way The complementary language intersected with a ∗ b ∗ is { a n b m g c d ( n, m) > 1 } Now one can use the pumping lemma if p is the pumping length choose a prime q > p and select the string a q b q The pumped string has to consist of a 's and has to have length k > 0 Now if we pump down we get the string a q −X > u c a ?Begin privacyenhanced message proctype 01,micclear originatorname webmaster@wwwsecgov originatorkeyasymmetric 2 ¿Ñ L ¤¢ CXg SÅÌn ~jL
