	japan long term prime seen cut to record low soon japan s long term banks will soon cut their prime rate now at a record low pct by or percentage point in response to falling secondary market yields on their five year debentures long term bankers said the long term prime rate is customarily set percentage point above the coupon on five year bank debentures issued by the long term banks every month the latest bank debentures at pct have met strong end investor demand on the prospect of further declines in yen  rates dealers said the current pct prime rate has been in effect since february reuter 
