Factor Info

ID 162155
Size 646 digits / 2143 bits
Status composite
Value 1279930340490826566909578899698993472870136445462728925983816954228888214898293492092144031440514423076366800813790187394941814543076470282086437937486482114491402611405295307959285048378446888663292009933347239855667047292574296145526895843544493607377318977278917441168341430701824786404083238271468584747336289717642720875741041319709954086373462714808487350851735946948990643909053444454138122110773214032487755923052880095941297892795303305884403193634911352208042359591837771073201305141622980147355178033882417018192014618539254631775190895880808688668118863527447509729472372051059607037007267804889392817878105998464888738657647226207943

Factorizations

Primary (ID: 160980) 11561348227567832985228206875345252872800327675417905176683 (proven prime)
(ID: 194422) 110707705995642879940589332663686528249503740251005386281655635899036306487946970530664870347750893897737031735497138825799440344339760074699502570280011570602267801522671872474327165968312700771834405603897914735016916712756732187818151826423658771263342486949426569793839808716182236142999697419390133337570894505654117441742253848984880277238937919023981586181443584068820423637496184068597735447863942259258123503294716571182664253987101346363332053052742981856061084852711822066614684738885532605106176934003802304675722909673328067207785340658835239830035234474120933154639306867221 (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.