+The Lucas-Lehmer test is a primality test used to determine if a [Mersenne number](/wiki/mersenne_number) is prime. It is highly efficient for these specific numbers, offering a swift method to prove their primality, a significant challenge in [number theory](/wiki/number_theory).
+## See also
+- [Primality Test](/wiki/primality_test)
+- [Mersenne Prime](/wiki/mersenne_prime)
+- [Perfect Number](/wiki/perfect_number)
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