While 104 is contact an MD range.

Fevers have to get to 108F to cause brain damage. 106F is definitely in the seek treatment range!

But normal fevers between 100° and 104° F (37.8° - 40° C) are good for sick children.

Cite: https://www.seattlechildrens.org/conditions/a-z/fever-myths-versus-facts/