The tablet of Plimpton 322

Plimpton 322 is a Babylonian clay tablet, notable as containing an example of Babylonian mathematics. It has the number 322 in the GA Plimpton Collection at the University of Columbia.1 this tablet is believed to have been written around 1800 BC, has a table of four columns and 15 rows numbers.This table shows what now called Pythagorean triples integers a, b, c satisfying a ^ 2 + b ^ 2 = c ^ 2.