What Is the Biggest Known Prime Number in the World?

Discover the largest known prime number, a massive Mersenne prime with over 24 million digits, discovered in 2018.

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The biggest prime number known to date is a Mersenne prime, which is 2^82,589,933-1. Discovered in December 2018, this prime number has 24,862,048 digits. Mersenne primes are named after the French monk Marin Mersenne, who studied these numbers more than 350 years ago.

FAQs & Answers

  1. What is a Mersenne prime? A Mersenne prime is a prime number that can be expressed in the form 2^p - 1, where p itself is a prime number. These primes are named after Marin Mersenne, a 17th-century French monk.
  2. How was the largest prime number discovered? The current largest known prime number, 2^82,589,933 -1, was discovered in December 2018 using distributed computing projects which harness the power of many computers to test huge numbers for primality.
  3. Why are Mersenne primes important? Mersenne primes are significant in number theory because they have unique properties and are closely connected to perfect numbers. They also push developments in computational mathematics.

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