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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 #1100000009127082443 2,299 digits created 2026-09-01

Value

1155645940396083621846130716553454107332162681122454911135123681882056947188588121862715983940828297075463232485471666872434694720594814365916575065825337505505923921190437114026151560618876652685247333108261685265813253646049570533167210285791907133075180722913798756580860510870552863914090559498277306415364259673120890384535950179704898607050235529073704752246891922715770007343852810758236968218676543933760220917303130360028139756102585047605651828528120692663861364765394931663310482215359816467132287089076706052861449669000526816592244524015419043525434811649949822897635949762663002584970229635365895822484044454063131266398155796848668033831870190532588064724484967152941673141674146493112858176920585978822598249469613800414473797795956732002729681444216669488010070022041522998526186050138429946477704305776786682983889369175735311440431126465201299300322004158159088615218786139637333572027115724099338236426556681588131607536486337943169637837492725450857879462197068037720728368668539754751338403295086834720563838633626095137576236614342900989375061681512012790317855625643855204878952542992694893920838023050907721219628156536306075937929428776739448796320688966345867810461235126012070000421639205937612404620944332878085835589259244667705592760774847752482581864918467653626604128674207929557945249964988898979890361879198384740586211970038172952912357581742233238996751304227822917762211358888561237715226937989097907868066081853543824025031898125905493052778628079686795005327984757279949578517721546223919530327335188416593164574789942508258484146317073528579581620728003651193132499781722295950570219681782551052757195430900632825581037302704365348220887722002535062727168368393839481641844509650772936939815164079564779970280835229151847283788532208561575376713570407332886288022502292396909820054757148545026378675861332401527455665007604886864300907718854791717196305115833174158648376172416396079246806632135601910479134793242858915858365198904986168778045363483197635490335479811963520337454343670932963539820721954067470233090665801966681027330172915774534294668288800759797631926101849427512012836086709365300057249518539070405685218666323948307229787392667955539126519629853694790214585890007479260449399028944312437568259134847208982735733583205605294301882459371369
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 3,127-digit prime (318 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 78 of 318

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127082443 --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":1100000009127082443},"decimal":true,"detail":2}}'