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How they found the World's Biggest Prime Number - Numberphile

Key Facts In This Video

  1. If you want to check if a small number is prime, you only need to check if prime numbers up to the square root of the number divide into it. 00:00

  2. The world's largest prime number takes up 1,490 double-sided pages. 00:43

  3. Here's how they found the world's biggest prime number. 00:48