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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 #1100000009080479851 1,869 digits created 2026-08-13

Value

967562904285416566568236089746324192930605754734635394111172600853086195075292586236828652458524002564848792344706678010597818730664863802426352263204769901400671891508595184595919224609338555333500837550808202877187099639170640110068988150892963322609806343226951116658013607308338165536592385080490094760464993906297884545546227183726160752335555073391640993779182834259916842792814272336858676620166145546180039282315946662610791846980663558594049577620624192377500247026623220955396421268276344745660217599609313668369301076473213284019374768973359466548078760544455249288586366380241466497504688936346446083856086154796329000790619547542979700869996809460391595035659634675108998423591611354668574202655122389288435959303923059968034136890038156343426792020031178270607489447881654067153002759848890790414111043121139152385608836388086224757633749437546730365542349683144441085541654880078546427347238693977976042812166994502612865416468981923647119150799899448848474318261107234396969382007396852510242763381639770781501494690926708838526606313347492499828454758750500643885160836434209774867064359626440506693921857643978277458174370629251809650447055831945169850747947340558820760022080006070773300592278451660594271562392070147367803423808057386007553853894946955184527138388800668930439674334716988899125312453450271140405865020295962079281286888528024051009710332367503242813244097638751337540752653414053846555072147122062014346404145427666976374724783775858857713609116499118275337146143914900690258441633272536055429831010178369235417838659621983528907192092955614950277041711822032356323494043743040818484907922125073019965024011584520537466414266811051978079971059118014538985562039623804532654872340954617079320838610238945772203878984068042417523308751759409280358225615025243696894409575134423919210087977336672579172353073385030134072156310606516963
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 2,062-digit prime (162 intermediate primes).

Certified number2,062-digit prime
Certificatedownload
Certificate chainshow step 18 of 162

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080479851 --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":1100000009080479851},"decimal":true,"detail":2}}'