Simone Bonzanini found a 67 digits prime factor for the Cuningham number 22222+1. This saves a lot of NFS effort. The found prime is the first for this years ECMNET record list of Paul Zimmermann.
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Simone Bonzanini found a 67 digits prime factor for the Cuningham number 22222+1. This saves a lot of NFS effort. The found prime is the first for this years ECMNET record list of Paul Zimmermann.
More...