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About this episode

In this video, Rakean (9 years old) explain how to multiply two repunits. Repunits are numbers where their digits completely consist of 1. He will discuss how to find the pattern of multiplying two repunits. At the end he show to to multiply to repunist hat have 13 digits.

• Category

• Release Date

  Jun 9, 2011

• Runtime

  10:16