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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 #1100000009064917437 1,952 digits created 2026-08-09

Value

66566511360204657094939074674794625474721876365494527520910541839794694434861483992589133449657134024826375334107326190607495996876925941929418811378654683562253568169191524746388872463397840638982758732252819759787680581815975064244063022286965339177566926804488158474821572032159684380070343980495238327896985766263340679049140533405078022025878921059894048645140542374565395008851866343659122474542294469375463809858972153146269756117737050331489034803005731685632268007818569556856445602099538663661606263873577960344294925677067769993470108319990466723259461373964474815528835536665227678712570107051480885034566691169176762459472634521294104697789288853860209085921924060567128889128177254087277999790285687710222006844889741841006405700756327615576525507137718680255626891922629956474177424904404634681128666927943697010401576910622958532601923966403930788971562735998490181252808446076904690904225328001826318400679713278991967531469798624613107116127503661679983803658677720167945285771177706871309750675776046067081708777056234585114178799089269788371051768412069199342805600068181667249397302630478230081423428472768842317034379180598496197270618166058098835460172595397675527842716721347365799889437390534668939107603190614670330897051862772575157510645888639554502856028845661929682340037557401156668919184492111148072804932637233431198972219955934683859893738152434896478463470812882460558502722827729345571479800085862616143287435271614793809972626195142154248626584770689864986146006937606684280987002417553578753540065508478678071471279180248088915368887604496472391977115287179582007835213254227205513445653921411165954933117019749399130141454209332189373165683725005863245249125622887012449123088730576532316077123507133681050974291355822136174249442601827518204727399548167238560183898998147088001814556172108827908914677561496344842879785219479741835345513847183956024853357941486326059083239195749239118561045125216145837659066797
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 2,912-digit prime (218 intermediate primes).

Certified number2,912-digit prime
Certificatedownload
Certificate chainshow step 69 of 218

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064917437 --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":1100000009064917437},"decimal":true,"detail":2}}'