Career
He currently plays for F91 Dudelange. Prempeh began his career with Le Mée Sports Football and signed with Troyes Air Corps in 2003. He made five senior caps for Troyes Air Corps and was released in summer 2009, to sign for FK Mlada Boleslav.
In November 2009 resign his contract with FK Mlada Boleslav and signed with United States Sénart-Moissy.
After one season left on 23 June 2010 his club United States Sénart-Moissy and signed with R.E. Virton. After just one season left R.E. Virton and joined to Swiss lower League club Football Club Fribourg.
He also holds French citizenship.