Factor Info

ID 156379
Size 905 digits / 3005 bits
Status composite
Value 37948647970440521605850760734982293719933537683870748457660463576837466300000071947382802528219835664261494142576992509249112754419711971821528741041961491033819595470737180738669783348089257588009200815424681276544086694691418953384148853244758259751321350288475575379185340645880677746038121020549164254987423334890321310280152831864244570627399648697909683887866180651142546177811352243252053337588211588161380004452516870019278492848654814198603883232134488878604850310423445605982281709121331647000126778858992558463856402765374534801401519389621409006705832433717493724594529400963005423040921166915137974763581979209884836509085351398068425582844287524819044706564220851258959201853657728154883474055632462669973665846846389163123327665766168078753551433037776248667698205777158320343730800666446617677675603256985886728992644807758192036860931597892296821354382331125520511265859145436853202917137

Factorizations

Primary (ID: 155026) 20601945976800054632554493 (proven prime)
(ID: 156380) 1841993373498535878028873568622534414173285907782917760698443428878707766477095107223340432674867314936865976118272920542057026642701152101970808916990236412923430994875746292490710987178622055851836965366937079433393446259999626223616131851623467868950773250062622564535207771642279743233537731805484039060023504884287456880092462129365945041768647124069457530735324262660993491814863576556542824634924852899258838754381015771683436998166285911449509115585827070739660370367464585114748852885650923693997883694839165778800073733647732329082723714382925995955803624148893262952428725915377992697255653764065608963073114039723926075214104430827926077462547136204007384455410519185803467902885488568500986075634271736563316339706217173813924776865246788838746720364949555495395324797516315076906653997947887775737601800810912050478734020649342276022010329675837277153682653911231909 (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.