2 Kings 2:7
and fifty of the prophets followed them to the Jordan. Elijah and Elisha stopped by the river. The fifty prophets stood a short distance away.
1 Kings 18:4
When Jezebel massacred the prophets of Jehovah, Obadiah took a hundred of them, and hid them secretly in a hole in the rock, fifty at a time, and gave them bread and water.
1 Kings 18:13
Have you not heard that when Jezebel was killing Jehovah's prophets I hid a hundred of them in caves, in two groups of fifty, and supplied them with food and water?
2 Kings 2:17
They insisted until he gave in and let them go. The fifty of them went and looked high and low for Elijah for three days. But they did not find him.