In this video, we delve into the fascinating world of big number multiplication and explore how computers perform this task ...

To help you understand the algorithm, the video shows a simple two-digit by two-digit multiplication. You can see that the first and last digits are essentially the result of one multiplication.

One particularly intriguing and efficient multiplication algorithm was developed in the late 1950s by Anatolii Alexeevich Karatsuba, now at the Steklov Institute of Mathematics in Moscow.

You wouldn’t use this algorithm when calculating a tip, but when it comes to multiplying large numbers, Karatsuba’s method was a big advance. And once Karatsuba opened the door to faster ...

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