Numbers 28:17
And on the fifteenth day of this month is the feast: seven days shall unleavened bread be eaten.
Leviticus 23:6
And on the fifteenth day of the same month is the feast of unleavened bread unto the LORD: seven days you must eat unleavened bread.
Exodus 12:15-17
Seven days shall you eat unleavened bread; even the first day you shall put away leaven out of your houses: for whosoever eats leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.
Exodus 13:6
Seven days you shall eat unleavened bread, and on the seventh day shall be a feast to the LORD.
Exodus 23:15
You shall keep the feast of unleavened bread: (you shall eat unleavened bread seven days, as I commanded you, in the time appointed of the month Abib; for in it you came out from Egypt: and none shall appear before me empty:)
Exodus 34:18
The feast of unleavened bread shall you keep. Seven days you shall eat unleavened bread, as I commanded you, in the time of the month Abib: for in the month Abib you came out from Egypt.
Deuteronomy 16:3-8
You shall eat no leavened bread with it; seven days shall you eat unleavened bread with it, even the bread of affliction: for you came forth out of the land of Egypt in haste: that you may remember the day when you came forth out of the land of Egypt all the days of your life.