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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 #1100000009066493411 1,257 digits created 2026-08-10

Value

429988141326069279252961568097638134371140852449681957416873461095471967135319145397752765812537084364969498743420079980063873071893097191862531073823925961829675108327167171661695584018408064998032411063144969788998563428254431491991837748525955592377169969224749482058261249110332438060015811485754676368037025124121758956041488313053235022370580892082985800439146704202067001939740177465072466953535572466401797738551253560147181447642455791034462235335006079573458038942209822857173561024336908821099419928785841199813623244769394832447590528982465934097503289845984865834708294340574326462648423849258431250667216545963454840356944681306084244493845676141297285677369904865160525898193219368544623814106938963412005058901851727015650546027860650464535443558780058115946218338348068080014283953214100043781338405495104030804937899644082107222476809443575432309053250462909307048958139690611931162866281567096348698593854007977477387819734780297374701690013274072889076964734131608672677095027126737796284734246328361966149603518383318843805724901567029652837304925286574818111315822247084020760118458049495187778428867436929576281249039392138538543784159988720268746164466864342949826487241698991060686121291295274437325795406832844764938606459699506549
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 94 of the certificate chain of a 2,487-digit prime (185 intermediate primes).

Certified number2,487-digit prime
Certificatedownload
Certificate chainshow step 94 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066493411 --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":1100000009066493411},"decimal":true,"detail":2}}'