How many times did Prophet Muhammad PBUH Pray:

Prophet Muhammad PBUH used to pray many times voluntarily for example after midnight(tahajjud),at Ishraq, or after the sun raises, salat al dhuha, but before all mandatory prays except maghrib he used to pray, voluntarily, as he used to pray after all Farth or mandatory pray except Asr. It is noteworthy that the prophet had a special status in Nafl or voluntary prays, some voluntary prays we're mandatory for the Prophet as tahajjud pray. (سورۃالمزمل).He used to pray when he arrived from a journey. Thise All prays except five times Farth prays are not mandatory for the Muslim Ummah.