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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 #1100000009130373281 1,064 digits created 2026-09-02

Value

11241621873117179732054921153886556695498756901922120868126677818439143324031239439222796849611899826668321138843478045135767192492525953651366715495359417766916890869239062523214246941828796671872668913730430818565280797539334310176674041993603391688324882042160427017968323332669719135711388438022807905184682944349324540604144107896203785260832271085996364142092383784528230797047395226895926383936577515332630969958435055374816690545269137300572895157475809379694585567768480717255851436418877819363720039766139082151253280367115495882168359752701902184259604562789079985140747591669884558226655493318588650532708588139027371796550679237234528172792354509195617198997619017954511771591884392118661276582683447966809268547108739117909734276269961298208621117976561461080780499747525325847304472753227506421542342291068061979613391925188753535125327243350694141838257646696876141803884719555017935665876477387152669061881407361737625189514217886590963295576579830444064235322793249953994777766584222878569230226350062551377636601438434345825196573341802038597999
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 194 of the certificate chain of a 3,159-digit prime (305 intermediate primes).

Certified number3,159-digit prime
Certificatedownload
Certificate chainshow step 194 of 305

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009130373281 --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":1100000009130373281},"decimal":true,"detail":2}}'