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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 #1100000009123744784 2,163 digits created 2026-08-31

Value

196782532159703536156492968895779379666613756172225451997861983889969163416989033349065468920467026536926600802415008899468877978948332651418358588599915850051672818105107862138277979277938857376728371992960483840086286988893173336411793356541675290280036775309925804384071658781983295605466883071139222471714844414317639539934102077271717988859376810599313503717268946826209931309615683791516221705757039217466663158100084818454560796142375248591692511030643010302954028264360683661050323228678807689049212147196909425082491106030836875894934753720133245896605137734849427432800299167095471874868971121798631378499361718096650153631160212030183561750298691476575513246900173602093482289649534753103369018379644092129623441055151694434845613563052344840832552424558257849075384585030178788080138191589941172845652815750057937813224247424550920315978986191788906966855270246269784244168140803752287908836761190546404076652654482879858319310344525490014909186010370017876550785181234067039010206817104879521775809653407513323568046648349629370164442968408107549671576701629636865884651068075185600868503048595895384130832170526349497521571448772064355909642275568678014054268970955581766338891528354013697112495909585910311465906594444891866164625710074500023339230456649337119808042216576619524682477970519569840196821731201397772372182879118132038142593787432869239984501807968672437681844543480702342048311940657808106170507203538467001245838909999475353529997092268097117262293735703834001370251692864692996399288370068383717428974854476159371344164753379293210477663149411928614978029341582671258863436352960643218521098717454090030189508748144054053998973884746948141803072632031728978431771663125826787712330853932647694561299650456911805731945328345597386230753720346534578299896320489258383238964498504019893486824913946772787772598295499620803369883703579127810663465732443270382172526582233821078961318067416105062360274535951240662668943917731488605776635657799270703522687439288696767649061932610296651171628854829092623667695257337938876067592087987979268855277331461984614727589242372704504621617494099956897395509533384319062271575370702129601616567
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 3,068-digit prime (316 intermediate primes).

Certified number3,068-digit prime
Certificatedownload
Certificate chainshow step 86 of 316

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123744784 --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":1100000009123744784},"decimal":true,"detail":2}}'