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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 #1100000009123068549 2,038 digits created 2026-08-30

Value

1310832084034581003014095793743076406413445188771822503342857637467270564145368851955214577419962360841462694963222721239024442832496466449959893304347928854105590859073229617851204527739393448908188067568281183658508879399988857513175364104523554235175488430682145250546853051269438678671442932236351856838132337898082130510409573497780952306157206486869348513885753206521493135656161717252195657429326268106825887677274029126173482743159074878641055258927835003738290688829191886895961543125510747690410532271903370173361794060501660059676264051794352632526788162909706411119729719829700239685943222422715640847136532252785141390068706351791130302068773663145562885841112712504572738160765444848739601900406445763826234112868833464365378146127880530003378876831252663192650503441988860063200203619367755988515782545029589394330797949901627103819322735796891302560777041402239999347127254867148219240764113834209158210204302639426269154822591342224890734854576682580828261190641072726981944642297143666091831771238395201080668397973296585228866815676878655945905370307679452852992822718022614645318128433518609544331822485766863770755478690858920891804265731904697651694162696539697792738602418560771581896939449705614803612978064514143419734693472036784063382212908811706180736140937657699568425455983326804162851973442752376753201577168677267097464367869021140236307602547247414765605542796768508164358005807360067164402801687735511521556950581426979611552902010336015670500039888544275672347070122446219207250375775885625182258680359798322707563870310994740325615468690686000090374955782394701372167218270915619266088453943940305358686232288147231099355739192997420851140527121464581291303782045543473403978554292109068658272540353330794023808099306661848760957767357778450755816137545554971098308719067145618321363316170580986655231690498802620335331132717174168965006775426195127991414067240808953566390890734190454382977184073018077726364331235240680034199580827195562799753441915737336328620584408513568947471273404949080568274077
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 104 of the certificate chain of a 3,057-digit prime (308 intermediate primes).

Certified number3,057-digit prime
Certificatedownload
Certificate chainshow step 104 of 308

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123068549 --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":1100000009123068549},"decimal":true,"detail":2}}'