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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 #1100000009126644266 2,226 digits created 2026-09-01

Value

630268698535293950444658393174035467878199931964939024044115514435712148176913055751367321914515247281046433424144310022652225093145065541936966061631588708062837554891048725260211641320713862679683410578863893174473839039302368875449358017037451447461429687950706258195852596039916140862746842870436734387128066490319650746513397665233321910021352319113236994272712421895650440435735726734299547957520814415084580621672344927606808412357672615315717746939089702834188486870975057312171204115920909741975325858604948325279405793139950350607490131500828798337906432179364202575576149807293562440865714367728981927532326001007878208305419322304539081044490212744753081774233684056613413089096124695844621742154703749624380276972649847591419353234870710365332875563711224386370125974044108328932893267067093898470201256919755951935476823411575532353403212885459412195286756161597123558192164332962999282883502127266984104381500225518321578064852288476893565338617671855320858031889669550319724703217474107340941786110227339597667063319619020687956653393078031295940702295839393990249077757004028305916208273834266725977773842856846338910935025238990596150259984091644267575753345523621185759866989162820583968221185448307374207833830368272594747279099866024386731915812420924497283942549811356992249942575228475439772369773125865602218757920465069888710777807042629202340740112269943155736151307536395496119849022202212417443391597228966279554389635014721965455183051123651184430768934475645384506615650771500884790490143865654444474137052195659468324641451043547463984783530200037805446749764133190466336359619005088778104272226042616548845438583537129963428259011295243502775592800235293429527383613224643267832162074853353304991308082800505376174906852494519772154580825776323050812383321649891047237308183012294666523569251810015952768722414966370018850314145074021371624501004841909071000309902225713552116051811124384837154505114070372209850833908126149365379518784592321341626922405212900275223317962343617870051036240076646876432339551619938996224092048007323060760392949807777000641915053177784322008365433700810500753347182492370668612488111457365782800848998158461170740892629026607687391358066710856766758926708295289
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 3,110-digit prime (313 intermediate primes).

Certified number3,110-digit prime
Certificatedownload
Certificate chainshow step 89 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126644266 --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":1100000009126644266},"decimal":true,"detail":2}}'