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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 #1100000009071047974 1,721 digits created 2026-08-10

Value

22985954719057871988930892249280185928803698703975266606179300468030900237318658851944192979733696302076200682970093952141781540160844865256659214239618998222543716705351759363880277896918461376425936122691692390198690352501996309064337967164677592686583673065817239460493561094784160030306499524817290036289876554914489532899362389151913999020436950646500712296849374649079320212358324014426388311258339059062156685112193177686973575656734511018834747957155680177992058484541618873764226324703344153888906118388611127446047345707194776609854995952467822278921439363101600117417710412632325901118258992938381627740996109516029495561351090873495261219059865031757339493317221069873964545649725681719662940579020186624732830768646868472144827631909873869071612855919653809254547344579163378919388330932004656042123612714277205209236799464747286680278729693386319639771837483736494125233870778461670311855107849042055913131140751379447653804145189379543503276118832286389047554372533263496347649897233100742200694235895766059497381811399166316544826952686607519538330144280998440470268513722629592950761876620301037880637874716199155207777175191010735201356216085875986724258199207392638722179817190597803633467484169921078227822727244120666826086548182623191032836349192711952877636455478594569078250610148897060390989165751223145157952188745669964363602322817944456664767952082951219531811734301616492848573835477601839200954964310372218625671696282840108834417933238464662276035012683772508809485244005023063476087897194738836244669265018478102551092419520266601623146649995597515424826500647707277338152727385917412956236429230856351479797829571245470008299553402504736541165127244147981978303774409582953606406102177287
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 2,643-digit prime (201 intermediate primes).

Certified number2,643-digit prime
Certificatedownload
Certificate chainshow step 72 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071047974 --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":1100000009071047974},"decimal":true,"detail":2}}'