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 #1100000009078253561 1,277 digits created 2026-08-12

Value

16571037834986023837199814547593344854870785112923163287424416584472575273327519274076382207364755924293808008622930396337814750536969306402710350430154974870203787650596953358578108836582831796607254399559804796641767853143682367015885897376089751890346765784053420546318090772802875735207477724895947640826281422277998651712104666218469881204951011494349567347303083030010113272491426291683276560228960868855405886051001595840733240940915948713330835969150580076410562602698802725407295218834604867322297196286952983097653693903796528202695940186570105783389061835640638068232074538087321174515901755874265883180603765723812651548917183180696777420839098857916788637712630284683408662877014468144474458825613027399560241021513829602190275964783342751665348709892722059861321293184255890382360176160674216377237435599287315073383745984031173175422453010800418319582833303660657859870449971596383683185477435835917790842838776953313643189031816196986551530661433668427717583460374742743591868503715964733299090325336686166277888125284088458092561105048376049980016664093309721751007794871681932023726628594089388363570126933905015776297706591884997893126710029829922992099388640499880231825143299748484577661976084788183004177375329377852174748980269641932868583937233799978173
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 2,147-digit prime (168 intermediate primes).

Certified number2,147-digit prime
Certificatedownload
Certificate chainshow step 73 of 168

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078253561 --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":1100000009078253561},"decimal":true,"detail":2}}'