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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 #1100000009067702838 1,291 digits created 2026-08-10

Value

1353437379567059720872495050283975382962260981557311850616783374703252870934993437145901409131670044551243119401860058589826138585788626075317922083021106441076471466006838769254511246250791249554110164277310505545253024650313736495583181890801887873488331841387289040582963820701291804877846406657534662390208460940353112598480357560306562813105000321479016707565263080837219450419432490423130539897906963648092524874942466056104592494784501421465398334569627133213002054035991189141421951272636026591405073221622365702908134135254653509028185723132987389491425702784557956592639466181420207538081972306315915173192355829749501448667247756347308882616355747424416117181806729101327656523667433922941173179059006501245032262573691225129660989418356596812533554857081824918307757403105267552142944203688827414727240805411312936091232173245702748672593148212745520220596075184714956244430076696029940479922091559960674790412325978056265196726421407070615364755823007803856908465824361414373385361379012455998212647040304921988134997149396758330119357364602269544136127188723217837779469811695765891915076909905198578988609046074738101320852845057916198280481926819794337580668326129280517725022932469247198758962597082915676599809093936043538727306628190558398904244752075375616469526783772779
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 1,739-digit prime (137 intermediate primes).

Certified number1,739-digit prime
Certificatedownload
Certificate chainshow step 34 of 137

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067702838 --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":1100000009067702838},"decimal":true,"detail":2}}'