Factor Info

ID 21609
Size 561 digits / 1862 bits
Status composite
Value 191704920979512973008989786453848795649724076834045303834623794287845824745363233655113162862892445090543151006946014885549519620237411036571740387745165815286602637457839912503828023213792531830689793648754543290513038899258849391788271912003012475193388523800296043035383888643421664582241900834919340629669384711491600467615359506935275000215707861395616149015146298046687025285978329276571920460030175993924809217002827485470373721371938801275660032580245470011175545323189365623948227573291005940133816341817700924223445381945326425286518212400348149488099

Factorizations

Primary (ID: 21610) 10780641615218004138391 (proven prime)
(ID: 21611) 17782329458842357741870817301817639518982780593296258189602831698493223856828806686498251887173386389855630792397861569371260025504125657655830792435827595272894458646870721667138787621072733836272832608547391393354067623966743552288121712340994636125908396275328258457573107818006607632089922163963964813209326440745026102175578663405154187856584621334101927992272323606869086415857754555673496280945113339293843774836237539556372753926923112793096340917375240356362440634574794735767112518216701155515226179289262083806502913102069994389 (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.