factordbrpc · fdb
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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 #1100000009037628955 948 digits created 2026-08-02

Value

773985822547762874927160862918395938490860716283689514696892100770210154760465073655669309180773243804800460892301783136706298508139728664461138579658191829654414393068945030071501029886045567307603078581206432641924485600402226275330589768975684963535265229233829774267986695789236600888239297351077611471055572810680248175098723172211734522007011622942214717783953978269460481815604690633023440641258836724940616888972066625821411051917771572787891472035129534966526374567194178073148310462560506514682997106349288539517081121438226976960581041555486231629875966098763602071084352689082735367508153938570885888435107175239231589214431149424612376180752066737835676128395966170550422780250409706734664364267260241154515889641722256312833008352690013926062403700644337978126509793357604892622249155998167568755928720537585725685986824135875378256591449552769757705111403877885163726021136240206560698283203774676940252103517187955562261314754910953
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 1,247-digit prime (104 intermediate primes).

Certified number1,247-digit prime
Certificatedownload
Certificate chainshow step 32 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009037628955 --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":1100000009037628955},"decimal":true,"detail":2}}'