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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 #1100000009055089742 1,751 digits created 2026-08-08

Value

59291556986953979543892574514594745226205074988631256631617257993335694095351219959866267246953916064772305530743291929687772742932093349357358967736117151645236962830903957387082159430248635726841838184082113044159330865895505390647293018531544239870263216566482031973163392088981939745546538394794348531697417087002283168644557002558341866453860982927998416596529122705067059426309922806633918330192975510757317019606135928369818569342338191925869624212765440043169364757801113288940872151948368925018237037099550347143417756146472805656774033036902480613036299875535296154015681922852476501438924242051345100490002766216804472505380257802191853483920322825508230681165103562386476411715135727840476440481137460223048673463517137486361990391230622739286639648923293944069790219142409705885461201312037264893553985831604055947915043693373799926836116972073351557471718312026533961827582652977393270282393068342404593039822912460445847441844085655116716373334213216977831380186465916734164973844725070324546732725492098882471995369474299804674364599762797593624368851880964142032608505149733986410263896015102870827411509456888612136458503109528847737960357043543118728222939014096992712679154269189772556285345689803598549456249526191889288259558714378270334271625144748924713975854208028471808675734681283022161655411763664336318497804956173867488295356167263310021961560476456604736978960860001298315784741972193717432839949459130992099281153760039974660824891834219631980636895333569202917829576864814349402411464997991492701409626184415516754843703373318212431106072097269588099084311165999842468858845474755040278205080886291496571084997413619316675846094557724922962026273424108832062473402636063470278147334417709285709386606693050085274317259
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 2,523-digit prime (197 intermediate primes).

Certified number2,523-digit prime
Certificatedownload
Certificate chainshow step 66 of 197

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055089742 --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":1100000009055089742},"decimal":true,"detail":2}}'