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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000008766976219 2,436 digits created 2026-04-21

Value

108512278367859639895841769823810711788824684797964765525458726209656303916869231823796498635750086745859368525355071563068912675184667135746776633895747201296742672668646704029009678642004706502209635405804717430963106037572433257727683097224953860405272308265580972698153809664997765531259417766897538297375147219728827369499759347118407934080121422374561903233889935464757373770305196908221383732792491271893253101413084455922571015098562289451937238994101706385971097168406346539520723974546870561637099796383380608254348282259215696516427954456490987493365523995358597107949153235963598249429550437616341804334695467608098815974539585345994379994569620267429073912020880357745650915264092081077150508853671934175502837594863593503102007174173854072267949807243211815527331966046322485749012200279717248744423565780768095977022240395393396242061712882335361382535675634570808587945828173298610027492393351009177196152396580313225204704794469539355179886882066561533343436003458881905254350494239113584077806998509581252499069816819674028743566938036949958854452368105869489011122998694265691303090957838741804361784199762413997567419322036896023349318530877005637758580504777687424813525189525747357514714510096404153425496970057800868837811722392137661384298407568614497456580625753583232338631549064010826619324486282462409504819191353400527234062195967303209927797434732797835618230464733905334479122656403872622288800713123364691385234795432615199991080760838625238443540978900950532253257370840376338863561649124478015144611734868674655494493485691803341833711648496641460058003010440486966321322039420718627981327100328269695172520706688957591807772337234603812756643411857449465329467144323119938787650960654151973567347138396535637917380792730185878747023373974164733219104733454785892109088278586169816526427178993939760136329570671710201916011626831827051765564701869217045369092318201938408687993234936366261406546025135640120552144894880086913519229783874625322525779516758362001009101092400564313317196034494639359877349813734038967405030285828345717122171168608472927666204679650746205002207807149578227688666047443622670626107989748016268869175822113093347990845025334172556240791227287748904964486958852897660118418112954526507543901207599914753834100143374663977672499659593018286793741885965624089945623593308105595080680682211595802365962312493477217446904930165243933310540685093396162401442753383640007831179039
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 3,113-digit prime (190 intermediate primes).

Certified number3,113-digit prime
Certificatedownload
Certificate chainshow step 48 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976219 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000008766976219},"decimal":true,"detail":2}}'