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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 #1100000009052398011 1,176 digits created 2026-08-07

Value

127386456121406276871694446291765247269437901933538413063728226659458809858811005840083592960159638373084124900167189462665891581601154805032091573582471053524296289910462427926548306254199574464147486886130520808776040767060522159681566666939572938728522033743147785401929250831340184670446681652538332769217203178243139587697084137647139029970195987137661277221999277565936254438626037311510631251123648899027508542357927791032330858865420033567095119346681852385139963150824837455039042210346675234215672500452798476221825440169492958230005700689691131515472461879119704168324957148080948306642772194978599194863707109051079764060019897737734878388354502314646783293662034789627132294840957522653196424694246839939020101717692935787245407865432718731151909575254588456330628612039788994448841165930757697303411906060871103203582948566743714875789818618165877025530592719870728238519530175878652379727926989261536954485264574466624501067519671240065780427882573646043320310503688089873263292792959086652533286961409569297949834896586365132229035148600669362607303857711719129918837156610579777898227946048612539109670929966497649227442626023193885251337041844432265204435019
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 1,586-digit prime (120 intermediate primes).

Certified number1,586-digit prime
Certificatedownload
Certificate chainshow step 34 of 120

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052398011 --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":1100000009052398011},"decimal":true,"detail":2}}'