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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 #1100000009053481394 1,661 digits created 2026-08-07

Value

27536722033458372618342233408317319951715703380704547343745312334447548851764254823385844264608351264317750281061477867562642736561150702903005649794751691675978226953075184757099951640645079070046325021812219373471104636099382116414536454992670210083924133610863892747748245027085498153303649396837774319310287554690918442240110690871160012865432571313060072725809161273478246522807568373053670387403537459808790001727269058664154993556794493755431931881641605419978318108031921333060882785330350567299463105675928935334955872457859266513425919551896158833487173765049844119525504613187845742910114256532008093473223531278771637368386277018665777158647056512868987726308866707128455584578804379642656237411335386139834348773954754968695165843649940790245587709643188908926376868106856370328074579372975208242243524634400845701610423258280434820406030772793217433537545101604518495331176454245323936090398336270652777224349189798980275708196199233185184087503503129923663019928723057933961212079679015589334279011032447614348284183720788800784129722025428226905205947097470059882508574484514388332562710714798282047214495163045712631513849650954421629015832446394659384830559638551251181662178421580573640137586959880081448951406283876899990411491012819879689258238765177884524966794392659419025866143932040520918039520875831883777097146889298546808445665214516068613562906646419702452331258858385252486923221743145957910610568313145704509762960802360010208615012598253221782910366162240045846197392086882429386702513387180093478230106789534326564647039324388663081454662183043750865017689230008867657720527496896642215829060309435280920690557802223334386515477
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 2,301-digit prime (179 intermediate primes).

Certified number2,301-digit prime
Certificatedownload
Certificate chainshow step 54 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053481394 --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":1100000009053481394},"decimal":true,"detail":2}}'