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 #1100000009122751485 963 digits created 2026-08-30

Value

256094469560513058796528280722238890835071256210510610373901907021019339599625186478478666218838727276363821312326540864709828568938851658384243729650948362522502756136573732066978168903424208140162244655182578138512362197482659878803563805087935896550715853427206992230127389647595243326991045226405718893219670358386158175950139769956820602474408684360645204596694105044339075825662355556331200626112100975348546583342863523698774480292773922482570635453338191011407600471150991252016196833531022800862207787167193661225832784340642248872791035483149944961843192126837040740649013034481899748925778065908136006459983151957114470372297022260831244346236106783355687892790847493287467407976170368274388191324010418558365724500217650944577358037673231040903508957539285743752869610432533747436084985648454849582489783141070688039393389646648549588829440540358264764863103172827993495280902839168935613103948378788062853922285850157476142288280258655235817187604333
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 130 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 130 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751485 --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":1100000009122751485},"decimal":true,"detail":2}}'