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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 #1100000009056499863 984 digits created 2026-08-08

Value

264199251081660889926594788398586550666531185127770197723314394884801657855399167917828595585299258526687505459653655892049772444289430944371765737339452051119821964820940829961637344903421307232308658716375256096465033948888597604891802685882457837074739872709339195761430458065112649249603046450632071401599915702542324397703942003468544874653573867781964837682659823463529135576066434190210902176046743583524981642964616472788366913882893290567939718111706277209293131713931889338627822696512360813566019322857440169903771163712424710848148294093710369988564638890011426369622316817964593274613916737108160527583115845199188021268556757426538788610321832878496082800669258087996404717793025104701765062656443330070823977306937400367680850059980310869223624021003576213763033816908985568176304294550256813245954775499143524612544955671132161746983529159663967510364948123013188464750295998523023794448843160926400397015579429807129006340335172738843099215612988949054791054230559631
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 105 of the certificate chain of a 2,238-digit prime (177 intermediate primes).

Certified number2,238-digit prime
Certificatedownload
Certificate chainshow step 105 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056499863 --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":1100000009056499863},"decimal":true,"detail":2}}'