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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 #1100000009023311691 968 digits created 2026-07-30

Value

19052513395104650917808934816089917795152532953028219155141384124735863956269815657040079143530031084631483997993367419835309071320507976709626057989087855631409519545263454715914072727274267797034439421856856219887147040822012534388387965007912853747342314756075336830909177978898618737892834578295267642136616200974274289748178736177191218777608467279193516920882968911283802517277480591377088385264227165423437027831228811192141083447976080093110298054740945592896600102426432893087761923033774028458696496602321185287985481586352932233259953913605860426246383028978305927946460737028987644970459567025946808243943235030204410170519938146185552329398743255498124643357662312766354072810634867729246457683008331719557349368837729566208376947476816613802499898815124385099431953770787683110240687700393100145089986389667928107954040619829596473478415041497279189073339242151121488895676540598264096453328094373242534583966770060829831843302553184289276918224302580123
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 1,147-digit prime (92 intermediate primes).

Certified number1,147-digit prime
Certificatedownload
Certificate chainshow step 17 of 92

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023311691 --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":1100000009023311691},"decimal":true,"detail":2}}'