Genesis 7:6
Noah was six hundred years old when the flood of waters came on the earth.
World English Bible (Public Domain)
In context
Before · Genesis 7:4–5
4In seven days, I will cause it to rain on the earth for forty days and forty nights. I will destroy every living thing that I have made from the surface of the ground.” 5Noah did everything that the LORD commanded him.
6Noah was six hundred years old when the flood of waters came on the earth.