Math problem pyramid scheme: A fake Facebook event disguised as a “genius-level math contest” has been a top post for half a year, somehow racking up 115M+ views. Spoiler: It’s just a viral engagement ...

The sum of the 100th row is 100 3 = 1,000,000. If you add up the sum values of rows 1 to 8, the result is always the row number raised to the third power.