Exodus in Easton's Bible Dictionary

the great deliverance wrought for the children of Isreal when they were brought out of the land of Egypt with "a mighty hand and with an outstretched arm" (Ex 12:51; Deut. 26:8; Ps 114; 136), about B.C. 1490, and four hundred and eighty years (1 Kings 6:1) before the building of Solomon's temple. The time of their sojourning in Egypt was, according to Ex. 12:40, the space of four hundred and thirty years. In the LXX., the words are, "The sojourning of the children of Israel which they sojourned in Egypt and in the land of Canaan was four hundred and thirty years;" and the Samaritan version reads, "The sojourning of the children of Israel and of their fathers which they sojourned in the land of Canaan and in the land of Egypt was four hundred and thirty years." In Gen. 15:13- 16, the period is prophetically given (in round numbers) as four hundred years. This passage is quoted by Stephen in his defence before the council (Acts 7:6). The chronology of the "sojourning" is variously estimated. Those who adopt the longer term reckon thus: Years From the descent of Jacob into Egypt to the death of Joseph 71 From the death of Joseph to the birth of Moses 278 From the birth of Moses to his flight into Midian 40 From the flight of Moses to his return into Egypt 40 From the return of Moses to the Exodus 1 430 Others contend for the shorter period of two hundred and fifteen years, holding that the period of four hundred and thirty years comprehends the years from the entrance of Abraham into Canaan (see LXX. and Samaritan) to the descent of Jacob into Egypt. They reckon thus...

Link: https://bible-history.com/eastons/E/Exodus/