Factor Info

ID 191518
Size 621 digits / 2061 bits
Status composite
Value 247593237184369454247735800322524490942780264631958503282887115909262324727703390035511100589032256009851484857879821240993318104420173993257854377491103219464777289498787915884267161182127019991600485464740075182562559552083538604459236525481315266015625048355266226529611602111884135220409428718279256898999503101778504273200198947664355432216114527385100374384821579064985204799105067570388699256433510102912386995850060130473141397214590699350907852159366013109367438860322830182329614812552418019732548965817897570778600928013377045777917539529960497686666162235748807749255825750943837539595431693952624048465840153

Factorizations

Primary (ID: 191519) 583249810553621464231615722549327708629068174660691 (proven prime)
(ID: 191520) 424506331085394845917992594127451401989716350843108365209474718322726015903574162885829936706559107797489357571822955222488236869504534459432929125612932823713269463748897254969518886610941221499828118457009950095092359334681195715919096024217613400854289526352570643031356954848120403845032892986613618727747215006855999008519600798461781076572130524029761229741804816459753710658807305268928380229596496131793516507822849073072747956314255409558019916127261078019731051322880622943727918483077904460403707936694633072088104909120724877332474231336055737272126024950883 (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.