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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 #1100000009063550517 1,900 digits created 2026-08-09

Value

6186836307277569941608753642390043196357427020133252131501469328378252375454220547500018497586218661186866387803708380835946066589013326349412505775379635822530988971806391175128079678001793356463692212975291045841573759842773989541351460899973772941275546360218490708185020858710445148140196637291601865518991911699485613311697363941356399015685917254923364480824822105949875804117136157070521874113888002448132876022530955133077202454196018716369585335264180574102913636249260954608108056320049555642797876771219384275680990994418994779913782130861762522897373156746932427488820220887823497950715646559257376186108009832925136588710277590558296350458882013252207328002238466230983186456693895186347249888934012713713113492950908410763515409897829420245735506173200581981589759542592129524503690052873169818018814335973332424714308282706369836835012974587160572040298358326599994784694830236165697858396663233350827204287269452630749199989079499112133432676906098399035305027715001391576555784002081047305739300971974675637785853165507494397372863226751053239228410546700295845014372028022763112069907815487139234883616120068038017469779104559977587962641214975432839323531655195633950662460451119618819762751202769687777486292276392043900690012073269723863827057006062062868413588058710791995110031397457153057461951122514164699593249784429327554025237162287923748159004457144238227683153516863308664081574493090439994208883113541131355987224620192980569277709899363410920862011683878033499852866660430045568885157671420937183855425863623941126798189832506100133330707861962401565995337331834338893762607211662911123533463205659431254134352262226907629966439746018909037372196593715965948571274065044942636042536288242985551239450390427088299791501382709871357893777880215097670743760623227291528575689604498294673092148093907530699619073172370859180962710911356798560638672010068666708504555385167
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,626-digit prime (196 intermediate primes).

Certified number2,626-digit prime
Certificatedownload
Certificate chainshow step 53 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063550517 --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":1100000009063550517},"decimal":true,"detail":2}}'