Lucas Number - Lucas Primes

Lucas Primes

A Lucas prime is a Lucas number that is prime. The first few Lucas primes are

2, 3, 7, 11, 29, 47, 199, 521, 2207, 3571, 9349, ... (sequence A005479 in OEIS).

If Ln is prime then n is either 0, prime, or a power of 2. L2m is prime for m = 1, 2, 3, and 4 and no other known values of m.

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