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Padovan Prime


A Padovan prime is a Padovan sequence number P_n that is also a prime number.

The first few distinct Padovan (probable) primes are 2, 3, 5, 7, 37, 151, 3329, 23833, ... (OEIS A100891), and (probable) prime Padovan numbers occur at indices n=3, 4, 5, 7, 8, 14, 19, 30, 37, 84, 128, 469, 666, 1262, 1573, 2003, 2210, 2289, 4163, 5553, 6567, 8561, 11230, 18737, 35834, 44259, 536485, ... (OEIS A112882). The search for (probable) prime Padovan numbers has been completed up to n=729586 by E. W. Weisstein (Apr. 10, 2011), and the following table summarizes larger known values.

ndecimal digitsdiscoverer
46958
66682
1262154
1573192
2003245
2210270
2289280
4163509
5553679
6567802
85611046
112301372
187372289
358344377
442595405
53648565518E. W. Weisstein (May 16, 2009)
72773488874E. W. Weisstein (Apr. 7, 2011)

See also

Integer Sequence Primes, Padovan Sequence, Prime Number, Probable Prime

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References

Sloane, N. J. A. Sequences A100891 and A112882 in "The On-Line Encyclopedia of Integer Sequences."

Cite this as:

Weisstein, Eric W. "Padovan Prime." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/PadovanPrime.html

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