Those who complete (compleat!) the Munros can record this fact and receive the magic number by writing in to The Clerk of The List (See here). Additionally, a list of current compleaters is published annually in the SMC Journal.
Beinn Bhreac, 16 August 2008
Richard comments: I was rather slow:
Started 28 August 1963 Bynack (aged 9)
Ended 16 August 2008 Beinn Bhreac (aged 54)