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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 #1100000009069978587 1,194 digits created 2026-08-10

Value

268892246855272474942388146785092459965778998139107077497944432542888598231082997098363074820812559672616492934316353184134475203185515202931187986912560147408401907839991664433703891735909994681151606298799347948991450934957841393184608899674740114303725849217994027260437817892678048749793473967388878829328148865170668790555860233031330386098426917409987390836347857341740730049751628588111227623811417758454910364070238264654178302728089548606972005337515413738503556097463422173160720391395799431269237618572485724712502606493051945392142669798077993472457512084734594981505618185937286146073317433905148297079933700972171745466784905659371956415764358448531843555018341508450719111492353247362976745244972093849997363389838254764918067802472177115819806428558742201326941252112717843840627590290299716065935032119111140702378626559208383308484049810847872863541485980301889112440553525437118228508602883078714285307446822889882583200550573354226051069625268775762360068525154652597143379437947133998630642861874723783269490601577089903305489044424344005734497157201152306773548946749411585446782121054501073066296204294665344602586694547558255274894757947371925716802345795347282212830623
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 2,002-digit prime (160 intermediate primes).

Certified number2,002-digit prime
Certificatedownload
Certificate chainshow step 69 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069978587 --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":1100000009069978587},"decimal":true,"detail":2}}'