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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 #1100000009070810875 1,308 digits created 2026-08-10

Value

478911188752634810994985351014660768658225500859403272479625604418970600744156541802659258890666009119781164223548554660786740268065122437878243574780269349788500403266340121130018142488696180362339895201952911437134726591282965849175849169571690279892624465297825647438412683893000152737927058715074298905512491854107447951923967593076953888388493615035337958516942558155339886487662268333375995793396913246538470827708861123658157691085588549529181801783478015114773539541873091846433662035091294417527742584927767223144672946995001874643671804280833630853917778808283472996032104256347052253184815747404162552712167885982881553990440275690015163746826876921728711157127669580157106564318927685319333777400626474114102067259191656848902271597339353815369759118080220473544478606110297774538520809426951261697970026402472762667545840952392419434382886915431795211595417346219567377456663672886747846336975507621973211041602321700831394470846063793337423316977368638066476643976941943441450910603589250723266755782102736161242914095198719744183009733933386532244155275406744127992631221879650990949035195434283283607379957932021951090038317377963866035840926858405497065611874785343186235153751600708967314550818128863414467216881486113338145559013840370809340703960822192000493460607751760405881497963489249
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 1,778-digit prime (144 intermediate primes).

Certified number1,778-digit prime
Certificatedownload
Certificate chainshow step 37 of 144

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070810875 --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":1100000009070810875},"decimal":true,"detail":2}}'