قَدْ رُوِيَ بَيَانُ عَدَدِهِمْ فِي بَعْضِ الْأَحَادِيثِ
Their number has been reported in some traditions.
Some narrations mention 124,000 prophets and slightly differing numbers, such as 313, for messengers. The reliability and precise numbers in these reports have been debated. They should not be presented as figures established with such certainty that disagreement itself constitutes a creedal error.
Faith in the prophets does not require knowing a complete list. It entails affirming all the true messengers sent by God, whether or not their names and exact number have been conveyed to us.