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<div><a href="index.html" title="">Macaulay2Doc</a> > <a href="___Copyright_spand_splicense.html" title="">Copyright and license</a> > <a href="___Singular-__Factory.html" title="">Singular-Factory</a></div>
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<div><h1>Singular-Factory</h1>
<div>With the kind permission of the authors of Singular, G.-M. Greuel, R. Stobbe, G. Pfister, H. Schoenemann, and J. Schmidt, University of Kaiserslautern, Macaulay2 incorporates <tt>Singular-Factory</tt>, version 3.1.1, a free library of polynomial routines that provides for factorization of polynomials. It is distributed under the terms of the GNU General Public License (version 2 (see <a href="___C__O__P__Y__I__N__G.html" title="the Macaulay2 license agreement">COPYING</a>) or version 3) and is available at <a href="ftp://www.mathematik.uni-kl.de/pub/Math/Singular/Factory">ftp://www.mathematik.uni-kl.de/pub/Math/Singular/Factory</a> and at <a href="http://www.mathematik.uni-kl.de/ftp/pub/Math/Singular/SOURCES">http://www.mathematik.uni-kl.de/ftp/pub/Math/Singular/SOURCES</a>. It is part of <tt>Singular</tt>, whose home page is <a href="http://www.singular.uni-kl.de/">http://www.singular.uni-kl.de/</a>.<p/>
The following important routines call upon it:<ul><li><span><a href="_factor.html" title="factor a ring element or a ZZ-module">factor</a> -- factor a ring element or a ZZ-module</span></li>
<li><span><a href="_gcd.html" title="greatest common divisor">gcd</a> -- greatest common divisor</span></li>
<li><span><a href="_minimal__Primes.html" title="minimal associated primes of an ideal">minimalPrimes</a> -- minimal associated primes of an ideal</span></li>
<li><span><a href="_irreducible__Characteristic__Series.html" title="irreducible characteristic series of an ideal">irreducibleCharacteristicSeries</a> -- irreducible characteristic series of an ideal</span></li>
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