HomePromatric Which factor present by decrease in prothrombin time and partial prothrombin time.. X Which factor present by decrease in prothrombin time and partial prothrombin time: 1. IV 2 .X *** 3. IX 4. Xlll Facebook Twitter Share:Which factor present by decrease in prothrombin time and partial prothrombin time.. X Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email