Change add_factors() to add_factor(). More progress output.
Change add_factors() to add_factor(). More progress output.

mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs