May 10, 2012
Primo for Linux 64-bit, version 4.0.0 alpha 15.
Primo is a primality proving program based on the ECPP (Elliptic Curve Primality Proving) algorithm. With Primo one can quickly check whether crypto-pseudoprimes are actually prime... or not.

February 16, 2012
New Primo record by Tom Wu : 15267 decimal digits!

April 24, 2011
The NX, ECB and CPG softwares are no more distributed.

September 3, 2010
Primo for Windows, version 3.0.9.1.

May 28, 2009
Factoring Class Polynomials over the Genus Field.
Changes:
All the references to the patent pending (WO/2005/004383) double-eta quotient invariants have been suppressed.
The Internet links have been updated.

April 10, 2007
An unexpected use of Primo: http://hal.inria.fr/inria-00138382/en/.

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