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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 #1100000009057769334 1,808 digits created 2026-08-08

Value

38765226761938192864817414681075498972265347324972583200713713627867510660162250509797057312870938755480691740397638566341147010811104103530017365327293255664564165030395881268885137518386381682348761529186829344467816183663779715705571801062211356591917658947768208200505528545799761633373249312186365514782577777096623589432217341774384454374819330459244886630249959123295929869091440264753302376106240663189659662720112969945928801217240113399853969066634074471548619414925983609638110096107577784439353743625334910417749190133064227356606511878550198632203183496676599464019722784169497164706009363293126851649041649056944122463145668128972522221546177695104819493910007417138335783098238678233456336172881125533141562568616473843615553767824361156208164683492175771947522315828942893719460039043339446493648732233812038079798754222821980153500828645438381723054244052405322991255714561437261339296742407648228901987269521567477775480278478613710157763986287720867078140838283034823001912432806029280091951642418998495799830351185106429303649192309958282683902451512528307374005022653740645357107834345631961451133449802069402301303024402701786668785054576898504000690080024492030226051647925654719746133635578262097641851430153324820856691643872044782459312620254658640813423412233349073925353155234564656842484282244661090358825370655700438268459294595135235151519512850915661433034415451162880595970615920026993402115021980682503458259753560582534566370579819528924732805068171795762695912728851994976146548296237089608887670788980909645128061697089145532981803779765234779541233551570924519674007370030116541091439559420699224265439664371718392243399224407708270687377770467521606036327017242869285140858753115676634406738120969573219959605063315311817053815754899530921276990254426690460458013011871
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 2,889-digit prime (198 intermediate primes).

Certified number2,889-digit prime
Certificatedownload
Certificate chainshow step 75 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057769334 --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":1100000009057769334},"decimal":true,"detail":2}}'