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 #1100000009019435276 831 digits created 2026-07-29

Value

227279793358180646217973652253972045007586044814444209365322759076480546029150665674788957509932744253218055968037630460634000998430475782472306520198161206132017930702218913028567626085404335054074759831212231018037400665230336792631908964868001262264509923625061936708909765641684674982001273434250498589016377465687852871362411079268811812130905816939896466042160163035071671699810816907928327135154678408472361841195728073203610259467360565644646957702316629527798194086318405294095898463832318087066779276628032045299124168712977952438078763525312297836400269910851644553182259346472637150208935777024430793923489401445346204370622491311541129505457162999410153023375686182974940723466229694103873174941538382443938513086652560553456639903468279801486152660337201659349834635576103419008756173481499626277060288561634175364753
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 1,099-digit prime (94 intermediate primes).

Certified number1,099-digit prime
Certificatedownload
Certificate chainshow step 25 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019435276 --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":1100000009019435276},"decimal":true,"detail":2}}'