Regular prime

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Science and technology

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What Wikipedia says

In number theory, a regular prime is a special kind of prime number, defined by Ernst Kummer in 1850 to prove certain cases of Fermat's Last Theorem. Regular primes may be defined via the divisibility of either class numbers or of Bernoulli numbers.

Excerpt from the Wikipedia article “Regular prime”, under the CC BY-SA 4.0 license. Read the article on Wikipedia