The source of the notion that humanity divides into 70 Nations is found in parashat Noach, in the 10th chapter of Genesis. There we read of the history of the descendants of Noah after the flood. Noah’s three children, Shem, Ham and Japheth begat 70 descendants. In this installment of our mathematics articles we will look at this chapter in its entirety in order to see some insightful mathematical phenomena related to the Seventy Nations.
We will also follow a brilliant analysis by the Gaon of Vilna on how the seventy nations correspond to the 70 oxen brought to the Temple on Sukkot.
Download the attached PDF file to read the full article.