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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 #1100000009079855038 1,787 digits created 2026-08-12

Value

74981914406274427364225505763215319092024444006432023125208222618172278557538170681713815110346082721900088609078885707634907425170055274219327613359905932297826354490349308093914138002861875398293449163777961022224333023187701867482082795978654256717422240225266204757233612457050143217949800722095752587191129041158250117243169303925990402293038762716725365400470091974361487233549671779875620362137105323551420435362452227943053179141646045200763465049698485858782966790213918153884343145092845540565857770616010591790479609187919935643442020102794962294372415047945631216108690292216045423031490522132154766465280704873300787363016903830918931177744008387621933513395746789032185195364188997134839049844004207429961780386645317027473039595452575177548498428253377025467070926048848758057289093896718254548913218735130775549688628097841851186821351892398612779074481763041708603340142068833167771708106601368402197113740594058151901395948895026067538237309092935253611071758782306194472557067781632407048155065621207902528045331457736920104776639923559554934037443034974441037816625996385161832853274129577976342306905520716272091014969297461044880264505551784710630585753319264702632442351358419478863790662917914328089141036578099564689802195599254808607226840646670219184862365268047727231553455924494800570511113376264935558232806849800015940329580385395104286622893660153313244457218187954215305069081635685173904378190954711871859993559023114984524744670112323703790451009911433353139035310964798503190380433359644513450146507235928307871555333670763807983681024410999092443933100929439345198823663969216304627815693920840257947123032890548792587331451935210897991286581298960903700457321031932967635578204528875750896566478568361268291784508882374279289514408423111413184516531
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,857-digit prime (150 intermediate primes).

Certified number1,857-digit prime
Certificatedownload
Certificate chainshow step 8 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079855038 --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":1100000009079855038},"decimal":true,"detail":2}}'