How many people left Egypt with moses when the slaves were given their freedom?

The Bible says there were 600,000 fighting men among the Israelites, a figure which excluded the entire tribe of Levites. Scholars say that this would correspond to at least two and a half million people, including women, children, the elderly and infirm.

However, the respected Israeli archaeologist, Israel Finkelstein says that more than ninety per cent of scholars believe that the Exodus from Egypt did not really happen.