Mathematics of Computation

Author(s): Harvey Dubner.
Journal: Math. Comp. 71 (2002), 833-835.
MSC (2000): Primary 11A41
Posted: March 30, 2001
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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.

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