Factor Info

ID 42134
Size 256 digits / 848 bits
Status composite
Value 1448408459645856929395653625308422460984110820048806531977787784954796245016439776071691403441131694285171575295567316354113907352107450427028817411980838961041065795503184693712678564465053174853515869531860734628160266060817783390140702667147231468014341

Factorizations

Primary (ID: 46046) 720058570695629783918009617361939101933138217 (proven prime)
(ID: 46047) 2011514783091307885532096556209317544695672267208299372035873360586974242669882306256103759584365703390978757009606309572386128818934458224433941257771841098184049366579740171295655425135448263002905238606248573 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.