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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 #1100000009121227866 2,057 digits created 2026-08-30

Value

11604989482918330252114122394347706766033738654251313608461456178408741899600806774033599655353128114686651529144581046063914315642260876588325904996462240702799481539155063621004525406476558758582135959363746810384284118279566239761776248330181819866706462254591546104421816916863719162671111471443845840288754713211465174764248490666834800652478467188983569492031103275672481485432262351774763218489183169154885369071234237610914068073355799092881133147868376346455232682239074970568336999236189557681259580101623680174496419815646067705375877450933311833454974144868530509379581815944498058014835761429670731063911676364583780093184882005853704166346288489601879885403084881557226731734565341194367481513994333018658881585919688357652419436585931071563787802536392520795083384409111928248196435509732162370682824308632864273001569390737462085925687529086917190900552230187781424437944729515498850118497905478852538151340527749147589879658154510083464168729470025929265482406891542642365132483417404799851183621827964329650248722370958763430126776150223285871083599873846077483188347662109985718856282978790077117774449081269175447047282752709181939247883817943147521683416360486269347395384275154651891388183166116558774992799492569739774587621909165634252135771618596087841801765315695971762226907577052191924377511922529178120171121118677184531079154882597001418652858319688483125559013550081442409231116776327239886783151573138740575670969913775334389542471619849541407519192995126771964360177100479052846011206781397629013594776716635482571954040282927297550523565790212358579326945977984172249310588774950188391214033078009797920967169364700988658762256887384953990511353012263978078556162329423083957347867702724446700053350713732502764068237568943609991647799033726164563994905571404511826773209178367836954982543038434425443413256013887612139517886119152600701740537026511385293820253570527113188270821094281032061319310085547548222069094552218094315046228617777372454627402892435590520503697856161164154268318178810899285367840420509240261842231
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 3,048-digit prime (218 intermediate primes).

Certified number3,048-digit prime
Certificatedownload
Certificate chainshow step 72 of 218

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009121227866 --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":1100000009121227866},"decimal":true,"detail":2}}'