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 #1100000008682860864 2,547 digits created 2026-03-13

Value

265096171985646619983114106789815703838783962890858970194261843712738488041205323270060855573770779722161526169975488712959029458616845271638650509411079337738561744739965819293861385506344247826535068920197777230628760938656170199173046308443001782007642105967350147195702662475117060185366376123765245126282192976809443807065622313776166274472930266045765469866109911330878474252152705861774177422084759809770683503202981830953152357827455855555594183601855228414570948979110141073639183219460418224427946901576345519452355069438414306882828581370790647103929451613617977057304664161579844997842682818891275390080799766578711761619943171802504612967578380880566947749353802554289316387070894328006612613049507690365630850529815399229132380062970768213736287230699640936835885582259860668646081266231964751230703004944507608253481485639465507887788263964429438694380179665453747958206788541869177010898987342690979665365246230884120132304017720003099212017766836891789925095114424894784630006462080610718360956617305041314085642351550546245100336702337005609025006418680174548519235403767417957993584649375291226951168600736502205334317505258324499568198674294925444175308439295662010864564217370377459694899311601328996808316446478110587701054817013336543581767117591785740404314022114039674677884348828833563436858485930514789858483871588186291793218845991678559126694570110748734477438165874901439994346732946850529849289321717695787125679542330966072529455832218107878399283379524720728584477827768346259043641768819842868771629711874317586776513607527857295798560877061755045206267329758630230285257898394536576214806475627084735767957097143861016314234730190900648433496756692212690038481009107570786381796135895478886258680548551439281390883764844720549834244528206619792091749582732815999220609136316255968111048380560957254429478686590705128782215754544289659307537010026965512046114103908892504994539037082131848338492267689789069108665716789983219625056516351815302764730789209456279360977093775306695826473229502917090915704575635588965473632555061498035860698154665287131892440796995015445572679509810468230442487626492606502122328641558007446269732273573408856988944365567541441089851187422383906359601421864539601499389577964745878371704596083868860523748678790013062938893224336798623789228282245944110137372760390026328757869498799327665612112535216610823534657403088792155463513255404923679547513842886823603075696060402584047067309425765662266258604181173994721767298818047853021086930031779082156192889625707735924838290601661
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 2,949-digit prime (230 intermediate primes).

Certified number2,949-digit prime
Certificatedownload
Certificate chainshow step 33 of 230

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008682860864 --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":1100000008682860864},"decimal":true,"detail":2}}'