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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 #1100000009040260598 1,110 digits created 2026-08-02

Value

919666974256904512232926313560506177525910915002426442547570956667637416618319133284823969509877864780989519481163303429666150351742397032526443736016597505076567648345757405236421435447985723055932533300500456513931570986433515997675066979931599185779356657655139828435941028332488978069964423399362706548722807244139351186127446695929425609383219515786318170940107846710051080541685883842226221257579232749726682999469984523266380422480985580380585496768237177721558480410915645524351062496545729900816085345610766644620445687692218894600057699170313163896671212034238271050410659314647103772667429490466641593962473951466327420127733727411184165858966516076559750034059904243354683104719245618405008728518102826329201124858504903471787918190939340295846249075918143499535421764124639060812422933343855175359800600200442916999122406294805641062566363681524697063636060362691121020656276019939635992985353313141800435872215820682355393786351325522124222802880662242163737953288109013426976301240204785058115246049341386162329484717950534587457978299492924561580988754981527482118803462745157735967613810240539
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,260-digit prime (110 intermediate primes).

Certified number1,260-digit prime
Certificatedownload
Certificate chainshow step 15 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040260598 --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":1100000009040260598},"decimal":true,"detail":2}}'