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 #1100000009050347132 817 digits created 2026-08-06

Value

1397531928077339056171105038121015741979269249930507666641436518783513229134684884787291438838029979327600827892613269605696639301533880032299477854639378399280924023093330489873099067621919842239212175224615709342680528108844590003250878955216797566337961269635072890751024061660730927071767886905821849644558708716607712816071085648144281987707582917060292364413457654513167954093355248671029998686693119127412726466834115042212264213916852496259902674435055180898540220734515919652227322988982893590263361194543397244758647457781747471876498639857803076152852744600522438086302339493034762532759587341289751215813526956691231437958597224931915703607584516559955112098473613992693254310029637853377696578586608957128515857903267522258959954141910163072273339778074081702848269816629110534578284654572126415993961481
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 1,525-digit prime (118 intermediate primes).

Certified number1,525-digit prime
Certificatedownload
Certificate chainshow step 55 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050347132 --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":1100000009050347132},"decimal":true,"detail":2}}'