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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 #1100000009105165744 1,796 digits created 2026-08-24

Value

29900305524825948742608654297525664885173086160688081114658165274062286018446636395594970672615928502776092341835774829735685838974115147678234052785615391102806032481137956021279673861177684102509523169167776384326152506087724055683142851891274232304150006037796484492994749212992015650864326792130537724103356416251930399429195770392887220206495536547882333978511992649553308671138615794734861485781168924755281177825543341667338955124123936536107149101368245686507850681148612469367901680282778394406137824019780939119541361182749466914051747742556649181351198481868024300833227452874091585711152146565129004837594555222740144224916044117519942433627526257330731006957637432235853161692329675335222102725717249780682912045448813980662820850012237059169750980091285202655655613967628967692918640876259952842077468691182129142560429564305451395867599753712048925805963353746709697158951781376173821966719105481994841518962370722383178827240138464040058249052957892108107845480220245669779581159478939632589534474588748943853749122385984692141869306775532927365948515936732570864911624009969905927630664279415434828389803867356729381374138703018203135772824245709729504104327534028898096340635599943717310024076476060083863651350546523553014980200596942420939887087616286958841074285991160076986707056850296289702682063998983553183639857440817306107007634629795861015846544014274459739531886973606548232073743853335406424211232273283616487834719933705290618766181434277912183257388537988436766645056483069976397701626560832853883023797233170483295765303553308494518743556389869915163773726182447752157835929835357058463230952258547680118010017811693629442395101993205360719754003394537929319359807348753527110301806109803243803401654168478945584320513117945747289051372690828049355558090272026407
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,991-digit prime (198 intermediate primes).

Certified number2,991-digit prime
Certificatedownload
Certificate chainshow step 81 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009105165744 --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":1100000009105165744},"decimal":true,"detail":2}}'