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 #1100000009069676723 891 digits created 2026-08-10

Value

808609958674670735190238049878846158069251128376844052272065394310627305527149672141930499672098440749342338525630564643366991290570627116446513707132850219929742032676191266895838650374562342165729958505962067184621608466205879297671437689955293724281833189170176543478045279387142269271468342190312938209773740895409804450310297472915134551176813916017231078824088401257628795218849478768661013748131126411601574604900198398322255172007047949096761607255002912062851873547045038412589236335739491667315161076951884210977973805970488095918739248534476727166508265665443741972689742066566351901113518253047343534379980137103492863199352483179940233956438931743521102936087159513464476558248101954156221446387684752836013429826727043963000528313602056423984265666783246872640564011413321016757993397762744867376516396890148613336710017099463485509335117526958304444823868841582836644092717077
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 1,760-digit prime (133 intermediate primes).

Certified number1,760-digit prime
Certificatedownload
Certificate chainshow step 68 of 133

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069676723 --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":1100000009069676723},"decimal":true,"detail":2}}'