Factor Info

ID 153187
Size 651 digits / 2163 bits
Status composite
Value 973375404203456522828974716711230326743258736002383076676886137416274351744581798468645006109505805437003404713600124601855852083050011477375062176447875880171689765675740139913381470622098432744657028969651963214365968357140738854606422586786913510725653805548147801055615814067200217043906834098974626214850987036696468863220246590938296351078855203214770702008103359386458328881310937348850077792656184269845515686193633213381018021375933425281907406341848822490781349903634874819895042951296796024609438567716396250958115819671138355605665650761223414238217436284980331923579577302442092853665716239016030679462017181278961974801088462735671817601

Factorizations

Primary (ID: 152137) 185302018885184100000000000000000000000000000001 (proven prime)
(ID: 187280) 5252913109417196739278424353317747549482199148967305061232949339084168939425414913861987133389113417508211621848529510169174230939280353583666392258610773071223735103365944200687068767394803503875320837810335341747936948927958653389681776940789601466626886924703701358946039684198643501451002889669518074544852670886898317898547191045420276255927934736873612764449221016256905722739814955089315367674552406408377753881248249337721538465382400641273391488097345870623078069714856186748222094450512153948698481874888196476381810555099901980390447513703757944763616102956673081278961974801088462735671817601 (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.