factordbrpc · fdb
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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 #1100000009090053196 1,388 digits created 2026-08-17

Value

21660284842370617225316420807162823905505261472479403068124907681410217232827114409896920262825833662398115189052410765369832568299941787992928615122019952015840967179966289807789325097606317491513914825265488786775166199118632541767212184736410269546233263495337162398339397736981461499552781749007569611646068915404936106871038000468921741551052838420783114555924140889602173902144045554177186367775927562276558401405826366659152991986565567056756411444901287465099960548544096232082291720737222513164923208114887163531128324766261082539710927904966523690491442311692110765742117685665952471929365742675372408978823531433754919783732442740891414451411246612800393489080302825545884822322576254360461239352252534764124053015230359947110032280989291778627073604739291584434573875768975510971217695895000410967324057538398400724358994922559865311633316783499628780516888845307660318118956877148882655249884879155384008192923134266839400049511370830955490704223961293700901327796599791071049946348093413524705983176399799974595195478010136322465863728925222564426706552223760803047160156900088733058481821742501212505229443055791950993066662244197954580497881181965725832916664796992183335076447228316390011959717096114819562087734013962132198883122249765573703892882095067567098841055542577347467606669385310482749033500644323809508126008475899422851309291564841943149932105545922788651091
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,998-digit prime (160 intermediate primes).

Certified number1,998-digit prime
Certificatedownload
Certificate chainshow step 50 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009090053196 --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":1100000009090053196},"decimal":true,"detail":2}}'