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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 #1100000009022951431 1,064 digits created 2026-07-30

Value

96296387633208671226197680634329513903985096229490220932366858044153564846357383178852741213394240362152026405819753792237111084947672293897392954564604818681716151461841135316687314159742666591688779867276799545697927457488142728469557980170746758030777301266826345834281907948386420671758949667088547237385307022833665463697960463870915796146532212847513594947193972867492884752788866780688319105909919181311540155436542532277823651578135349158894807766876643991464845635338644747619837309380490825423938822315057824520678996575569368406674575585765263974938595959052136996882433349389727755845934996560431696543731474019334917832936454520745916695285455282824714886396270079654564802948913456559383095226926703297742165797123123565946055192513216613863715519906252066756813133094171270399256863693892676832929505815279879890320185845656999702890419644440481306780758506983257281745904210774897595093866575614964613402734832668620462491161788773282260071298120033719550645353949702273737266016525450800543617364431388508264225004196661323598361092554836639201397
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,129-digit prime (91 intermediate primes).

Certified number1,129-digit prime
Certificatedownload
Certificate chainshow step 7 of 91

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009022951431 --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":1100000009022951431},"decimal":true,"detail":2}}'