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Repunit R49081 is a probable prime
Authors:Harvey Dubner.
Affiliation:449 Beverly Road, Ridgewood, New Jersey 07450
Abstract:

The Repunit R $49081=(10^{49081}-1)/9$ is a probable prime. In order to prove primality R49080 must be approximately 33.3% factored. The status of this factorization is included.

Keywords:Prime numbers   primality proving
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