factordbrpc · fdb
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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 #1100000009018817073 985 digits created 2026-07-29

Value

1806508128175924488991744729300807281167416680354204805891159738177299146524768180654514280320420863633468180093100676209563441154230146388327099004152954357122974244610402512017630993047127781933422275554313776711454616467305276249667752978983414518470509211274649123151106864216171619965648162121043752264500887820400734485321490273033879910575897611664618363333565586995464241472128220707627066937145004029689969517932805910784967412703739209607444724181980381450976096583698645843302229300451961031344090433948262555767880362187264945261455302165575143316180663514093105482208669171578578409803061746747227395550248710512415510974698604975805393686067389413172714295581755348512513830184878477377555744375410645501709618277415592118107000583742816788089859348359225183486285875383396595431663294674204966222649630478446746318915825678284386268675665772762760478065347481413714308559147327953630474424371916799681952897095166880496960640328324078921754734857827722998641422523380229
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 1,028-digit prime (69 intermediate primes).

Certified number1,028-digit prime
Certificatedownload
Certificate chainshow step 4 of 69

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018817073 --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":1100000009018817073},"decimal":true,"detail":2}}'