factordbrpc · fdb
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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 #1100000009067010243 1,409 digits created 2026-08-10

Value

39986352792143609239406926257690500524566852022809377021495262594932957002791361031551389972282956310721613877668033431527926543376048225989119962482363472428628885048020154838156196755219192634427916603224873293588171852566013676269399404638061764157770240113222266144244816918472562415509052960226999131699936923604036811569930272111556083829253730319178485347019117582253041407508595237330268025353585100817854766869212386266227733755216124946052725408616889821285070887043188390027312104889152858212251045783340017266366009017420286885172946688164052394875935092255268522548744609050475781990576581165625617885458138676103035623793251985114253551957028301928866380750313294276626013662885141862416368663467585594372006989375749864626587099922016254926366040814324308806295029350179785724931168096500053956288031370981741073136870344094054207598015054323889146649182752069776353155275889032214403723936823377605314339439722152062870654573570795707558363466094861201782389367083411818690026585172642899131732295098189376699458159048596721011287258745517082341863774023458080907668839321143962744335831223079776599605902296370448159614808454047545945099353036869358342479278688924284658932495285039551418477366891839024169057862270603710080961690026028174963765543297254303390162235531693219062026993049028659487765698043366020577663632768382675189691449052011676823893833052012335357622519838089367073042777
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 1,728-digit prime (136 intermediate primes).

Certified number1,728-digit prime
Certificatedownload
Certificate chainshow step 28 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067010243 --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":1100000009067010243},"decimal":true,"detail":2}}'