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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 #1100000009029640499 1,705 digits created 2026-08-01

Value

1637272558398608723150237955108981252062282048566850320973077263473361494072591208758291062599433737231938213280217945383099051937495058917228733308314092826709242927078786907384591754961466505480182373792446283170565974962866409217905001221030683353919403363774360279279850293292827557987615893664322405771158584023285022681067255559035021881055236993398258598364897384853320266034649196306414044019194786622926160056589148085411692712043453293848715311944932311977894864847028534979626426821298593299456786070398272904712361076592511655596405968721485418472347815401116370045455253766861732399695939885697875584705582490340039950199809815917848715822337015499075029265109808670146966213285618211798756987566475227332567805353214812006158195739304183771839747182671559151163591815871959257997829061232667897673654086029780142132915258134489389847913937414478629346923198179174836045906795777032968362298986997011652150221657702005650058071919969345552716162142554055757678840539179149367036420656090753701442725354619096234672785574874172919354613249420421535854486831613812621807130289949210538335704096028763729240076355074625387510854237394221238966016171599101614454324382141952782638632972814795972104644943094280825913131162050066518763632048440323563069097864222618802116775886714153454987429018535573348653165434320830889538942514872389043845674720189323741696515877106750713349773232688396659181966375537271977705460976513314316896030621504286531962761470797695673483505079026250779137927571498822156312877747216585555797333251178084157997026384884822456327358844643784718298675917518392386234775471407376394123740820294603149787243543929634381582787587240626142852743995172793070931289977581687
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 2,773-digit prime (204 intermediate primes).

Certified number2,773-digit prime
Certificatedownload
Certificate chainshow step 83 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009029640499 --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":1100000009029640499},"decimal":true,"detail":2}}'