Yawn doesn't have a TM number because it isn't a TM.
Yawn is not a TM.
There is no TM yawn. Only certain Pokemon can learn yawn/hypnosis/sleep powder/etc.
Yawn and sing are not available as TMs.
There isn't a TM, but you should go to the move tutor in Pastoria.
Unfortunatly, Yawn cannot be learned through a TM because no such TM exists. Moves that put enemies to sleep can only be learned by pokemon by leveling them up, or by breeding them in the Daycare center.
yawn
you cant only certain types of Pokemon can get it same for hypnosis ans sleep powder for more info on which can (usally slow or lazy) go to wikipeida and type how do you get the TM yawn
In Pokémon SoulSilver, Yawn cannot be found as a TM. Yawn can only be received as a level-up move or as an Egg Move. Pokémon that can learn Yawn via level-up are Slowpoke, Togepi, Snorlax, Dunsparce, Wooper, Slugma, Gulpin, Slakoth, Kingdra, Chimecho, Relicanth, Uxie, Hippopotas and Bidoof.
Aura Sphere is not a TM so therefore it does not have a TM number.
Mach Punch is not a TM so therefore it does not have a TM number.
it is TM number 43
yes the tms are 1.hypnosys 2.dark void 3.yawn