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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 #1100000009057950110 2,244 digits created 2026-08-08

Value

407002785822941928246392606884853408278296674702245962243840857642348166508843147310106387225861743992720442142524917035488118783386189547043535704753345848899648239635855038516612586525868466026024779537974822021651484833260836803362492076233245753317092799004550102524953277193259885114157210678653186063349432892301862614692383166863018373368244235038109010209781616536897850453182796999817460802742301131855464882625769190217914953059015330654931198051368500632785879428597931647614400851887178717785296195849427151084868832747372640416645002748859425766149008833987408737114300171597404548764394510874833850604537746234899419443239440559485883871631889732957608430045251017572933157255800156991407454551799324962568280281952525309182487870750400230249839979827915752627128926758232730961451381319506268234309310724053448178183516760210855899646215711600287479355007540344032659174468071342231494412273788954018896258061294314539275625640885617734012872147104698274237275884728164757601218963419147163717118401195942185445205813958630174302387740667889698285434863571352664630308131431894454332751774309589752764767595113648405262412846543221974544772215575449786544230401810625306381765915194796169734522489909121865436344756692769589471213298073835268157179673188339485152723996455153173227722674972524123308749734499721402849620673544239737191948633940863863899433083013131240770682045653341927655401652433166728961068902470851963733886583998302408221479218943401954510310283004900873731358704446372006673593591877956283042437077752034778636953896939237201219829318035270577575196555102100154427383392997752606544124135997112548008198845150209841382283947229976250738474416950920054682120677039242834479900802646027231476693826835123359497731546786283259322321222198454422132622713342106902021348174171016445550125145881478904220063524481223916751890102372202041786492527283823620648982976198323269103462485148138277963445172915038251040846331995133721044896341159115165576506031010824186044990362346696142628142772782007452776353364033131192317558538401394990754739184813981874532509590338343468060155678630718906278427595216899492573368021553114178750347282520755313113676326609864486212276648739619938380516432201100295242134475280053
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 2,254-digit prime (178 intermediate primes).

Certified number2,254-digit prime
Certificatedownload
Certificate chainshow step 2 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057950110 --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":1100000009057950110},"decimal":true,"detail":2}}'