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 #1100000008674980862 3,483 digits created 2026-03-09

Value

655586043831643919845311893141960891613020083211574594394502112626943421088737308366354227920949872494806606536264590053202235815579685847965810565055879415270298359583729882091781937558933097420531864995379225656046686830955875865556294018032242544395741766544787318760459071111861916087334724700689576555138373274012999607882393782178954766114928833922255144756360452175289187523266600691532510070822054821669232098287389155272497075674327395506395542649296517990214980779140651460076406174574592064294073514397657810814247110137273939848800737065308793209652604698799576367826046474895094039264734704690052864149406453345953207492652588890052256682697379615561043190118653349213701015905340951420514697159164659852117765753153407433314534886523752643122207391336427781147772080326191775665251612912471362617413550781614423710413467934684021736283694292848904906556213757166029377076901524628542868618363200046668308226218416761866669872725563796959562707291841315128437522500083487148707203512390650030460686020170041265313883002034076630779575210366574218013424155651512528130707333046707130963969539156328418557708557298916544128687241617471729208343658710221885554756154184009670710874489699784448124074062950747928538049194210585282792686717837088984474798135857767272395569621899849687356498213496234734886912298317362646719953156731779412530022968906756646231260697123273058447221591880500059710292505467056336237762583353562385902525574099770958173717537055968107292857312269422328506079845263983448890446230974962853667774743907433635854481517479572304700544642377192383677875623663075410546586253183190942500328711541905469570500630772197878509313816119577171081179703258173031483034667469199606768415578891705651196040189990988763980621591489797773749837267804538003899579599138511296609883200314048102537061384870778388072469783460745284222762598603148703410835943369917188391051085411922779750144710966804580038672461330560981864976003040489444801118745767940653553211549498772850638563395252359244607583892903789220730782258149102281342694270067771534659837695076331392853778217491485468833743881058137802120367840979787121945094445217433019822466686750974974470539927155095926437388167040649239147337603963366422032040976801768393044429747020476056687360970204906609897897984000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000839
term 840^1191+839
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (3,483 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byFredOnCyc

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674980862 --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":1100000008674980862},"decimal":true,"detail":2}}'