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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 #1100000009070502655 1,740 digits created 2026-08-10

Value

292517489542028925228536396771374963203236554703224552608923303865529089838388911175798708481665282550115646249694510654112571683878944831000681591880612825121468335001195356105050017350592543466732411272526028001975961679750415667466207362920652832195980970910621370599597530742600196980343794178601248215852575602610770557995110239979997816716562943152327305701716237136806168506009462143515353142962632730211315966218093012214774233274040650475002690199358000171295488030941230599737577055622938054432744150918276354517448270047061954652184249087771927202973655789552987268073797039091590141179033265500600443751080921515724199716089606170959703107990880779882552186357351382676684439019383041655983460282850789235761170853921655861021854755722009380813124479440272287000075672881673671766068408527764954738820201253732247292621379188568381299195301349351819563798731964073460098225021286136340653963237342284926664639721846931320327191708558011732519925978914094651757980673494896499084754040233292988985309511772016907379045577464576677491357861135332055990540179258581129129321930260667367939555637326986945337668862443864547998698724166290742006405048456679848042458943798037484393653349419669546367317897541672283611575328082896526586461406127660788510578639736501282513953583251982882636777338528125313330367028428951597108381571312004533509148928333516553346053821131749832518547837753322973424785269706029462038461962663627124953343615297923831533767633454324165652239108898270711892676264437543869442824991161068371957385628658172258315036319188641599775721764177910298441560954232691328456966582112900483712622985590889035657125842426670073843593432480483662768157689390991327887788555087773474186947990758011408443948667257333
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 2,498-digit prime (187 intermediate primes).

Certified number2,498-digit prime
Certificatedownload
Certificate chainshow step 57 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070502655 --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":1100000009070502655},"decimal":true,"detail":2}}'