Lucas–Lehmer primality test

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In mathematics, the Lucas–Lehmer test (LLT) is a primality test for Mersenne numbers. The test was originally developed by Édouard Lucas in 1878 and subsequently proved by Derrick Henry Lehmer in 1930.

Excerpt from the Wikipedia article “Lucas–Lehmer primality test”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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