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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 #1100000009036789510 1,019 digits created 2026-08-02

Value

12976808602407749392265547255731734232051857747407732427904814706214198447293404486830303984716577674186605522452507935113860941202787697801342417664676410366958512109615076406146508991443489408018760916135608981943529473596951445468582662936007947098128199835736929202152750667026769798059531937738346230696607211565209629435497028409536626238510486921894032431646331179170244507609389728262663787276136572025736554796744215139763822186134459440502398338732590266016030100469054085291514923182094328443032729836103149669674012864826784762635985528140354305657391784925759677942215396443445853965142649559471295594578010565506652020527238912542060527338158595058560764519944029469609789287918212551965195195860120254987890117471583491549787471689926564148161174952995936594902702871682432551797225542849641365874222903703991692468790850062254149059801221320271802580456333814980133837266350030714800164699929294098016152450645325941353192137031980814288931038343698767027648025036441878445491287331801239191132115959927
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,238-digit prime (97 intermediate primes).

Certified number1,238-digit prime
Certificatedownload
Certificate chainshow step 20 of 97

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036789510 --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":1100000009036789510},"decimal":true,"detail":2}}'