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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 #1100000008787409636 1,894 digits created 2026-05-03

Value

8753599599870831345983516321330300715472354742588024230755398008262220916474434175704631516138438388327677029940389529295172914503137420012813243104896515143991592690085172387436304969283840168317046631310813565566466704432216745563534599242444327222905053610937588350742292553325327930885287176281828799152345400458142782333627529594178023882504147778971541895016430615275842433389164199897947662319901088493247191088943896355098922704614850752288374278640691122563180798084668843650015522275782449222453008474419631684034705976358006805317208446678918527313697826127545711955026564500053603761615797388923770037682585082889105580135357730047870431406857750385680152690217251799192288018385964318752672156375633151441311625643835202108347103261028637258710732036630056080265623132901894567688291376383651862352805240704243139167441766272297565893678666207811339542834926362773785305565399816259775510644424343815177147582258348946667092496092626807237620190789108127297165894270097291061404149494918101822323369164280384022198352817268654971508988274205808745048778895224813094171743595187098081255657674109556639193522413059498605314756152857212602199221477210454559979187919465640786209523899402729115730752082550322525668930408230052493058099943409224633785848270130949399363868357252658867540589785841867038962812420650427168515068920432141515677721659906166720671846031759620415204845638412436523392291694470247059877781669036709991909025315463709841098633559866762201708296161527874305461501336283444595929662913038526422758364599207649727086294954575997134478529651171249074106131602193475612259503297365780263887583874344726998052969937154438604763033709281812868154987893973245282025061457516944405279750905638523736702957632713346670618558914778865173473586615463375963694828283858862025543338009382762459027538920730021255439777187807458645174053412606992693537694498736566515555099
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 3,261-digit prime (192 intermediate primes).

Certified number3,261-digit prime
Certificatedownload
Certificate chainshow step 87 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008787409636 --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":1100000008787409636},"decimal":true,"detail":2}}'