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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 #1100000009053961805 1,762 digits created 2026-08-07

Value

4377375075473918000286576666243663729951007622479170260417831530516209455555454809886088734728254550008969801086781182213581129272458791006914892147397130037311472760317201006333286465781780335096224970791038411410136578124309911254845989010647065683078462888777744111551698238086581579375338936404981763029825238239840045167675246026909630821411052135063242672574083074143580489846608222729994572070267449878733384230115439974574045394282868483887482165559533044718902849870608349256381650189182584583682134458034175965704252124786125484828012217837843267501668206530013054907566818563367001267938190424119357879247185141178490488670460164965964387290056037108681566772150229344976709886895530391533013730616924565242506810123090548762419052691510350016847431447028780629616357618059232816702943296187168939056878152077682698489155585449436518531490346440985637330396687353812430021976734999281079626377901462333189186592647207539647938521712342443809172358749259217502629165029634512855145419378775634527331559423675379357543216981629237310693315480933403883274862417929162045180967467386581995620072797954442594793507367644426501266354578126854633401037958610333949395220732741799250146776980187139417461168888763940104384691915342407306643679558718753027526649438312550578021892243074178930681779894892482196255660312734252119633291593328516431885927259361163897723258205567437805108946185773263911473296281553491417065918589604547757041416633885340664020983301704151060524989330909586696547162984305212229360685362302962412252759934986655243532140262689684049800245898435925958190729833174154123534871918238923039289478845875666153160384605568518105962704771440696101652490259178747448605636303812163414522906905622750323162753882755284388631784613132481729
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 2,306-digit prime (174 intermediate primes).

Certified number2,306-digit prime
Certificatedownload
Certificate chainshow step 46 of 174

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053961805 --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":1100000009053961805},"decimal":true,"detail":2}}'