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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 #1100000008676271741 2,130 digits created 2026-03-10

Value

202074670955745812851769894314640212157046771896090476208526545669088384881119379246546445338215430006437877461420830362795609677031021049458482987424791407369153388108211052177106177153811179025286260510012784335009428655971323060079684910634469366467745510716647534595628992219808120770897549055644208093443813289607230385577430727676797810174878770737167011291514266763659564783329059628752795929140675880721340682392088700428783731442441891277727503012849359880686289564347601249937132696910021107785056585981552893545989531392759166576481652679891631527919787115407256345286459336647304437116278621405790534264983021619625671774744578202173433234138157356368089012924437479952537510530591300281732205455767735967422892689590354134598416353581168426333687947756155534530499271708860999245127260683676206273119830855838506618384363131116482767942309266677308192499941419436067459461662178282112730170566414156746822602750569756617620954607214744972103327866200572992855992759447149614084146732938081550816200407451932178490197686985157933525432906093105270986512474602415003692736642215579299862316815002455136205066130440152944473004913894448246427174942327034536078495498412976808836215163407851788152203096148221088622447344817590542243565407207865960637798285280304682649221468651651546682574643808948343668213066915772980450894514307589075144715088717253005608465151128878009492373950685016379071426667954990026572509199134710002396309372974559815562057754795125362914360091678165513901879387324486059300143100139374079215927767065285834446764412836837135449669743143386275760123401611683288747630917615470085967735691479827144432286873317394153438300726259648256835589527767991059545797510883207455370779409390812525868213631776091071261900370475170498388598362601974689776434431005107666724023847185810527691345025846344547201797086493141938834398640708323127270063312252886734817766979641832455017432532568624170848938425229860254703139142840151605569319742608183452787140134145075997668217136031003421049141748969628658329851790509192406619724118884899624835616660209737260265032056039505125648801052892501379808094959
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,915-digit prime (222 intermediate primes).

Certified number2,915-digit prime
Certificatedownload
Certificate chainshow step 65 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676271741 --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":1100000008676271741},"decimal":true,"detail":2}}'