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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 #1100000009070602065 1,045 digits created 2026-08-10

Value

2503759519134001769092108567096432612830700101158226095299520055236375719098343451811493622774205564535891146942070385480597313145264964568508684022446541075895558288987275006955359346546222246091322501854978956574546787590533425899994887180188056943807130404871947422197706364577998261533076979637390899251691669993101771105929028927003520814101124653117099028652596151420048234419311453035562013942069681827872733611631549275267696588933977513610655983080153335938164598673287859306348329554153377974108892799825317225160397638567317589600281132656195702480717158269618352053382059135273926768814781235390291008653394714662749049759283335838267548202178912920955892358712373006189231027320083191995191877060205722071753358531731419570334273232340782486302355940040149373321499398285644649760421073414023233733892333266377678066604832971596244202763718341982860639876486415539699333998616268219488798866764197374622234866040435229427979944130830949356448181429052787317703088390183975360786191967773239191144253349157095977098723791673035333953
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 2,109-digit prime (171 intermediate primes).

Certified number2,109-digit prime
Certificatedownload
Certificate chainshow step 88 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070602065 --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":1100000009070602065},"decimal":true,"detail":2}}'