Prime Motive is a thoroughbred horse born in Australia in 2010. Race horse Prime Motive is by Primus (AUS) out of Ahs 'n' Ums (AUS) , trained by Monica Croston. Prime Motive form is available here. Owned by J C S Russell, Miss M A Croston, Mrs S J Russell, D W Gorton, P G Devereux, C H Allen & Mrs A S Allen.