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 #1100000009086009867 690 digits created 2026-08-15

Value

765980345268547454968717035299281900791908251224813099322349795978732479328553095340629609457467467323586124609859900479118964169749110297566850555408479011583603104825554843369858844523287342814654981979933457459775657374214158708869806890064284164094632299456365848596960764268513753968946879377735457945295501877172673068275350123722270345381569182453516901782821038172184868015226998837808158359371363713128042741797037741128792357553933753951630236997421938419084657605014849879774233895046121732625897938132040508966631832402407530502229452027828935925457738107769754262604660682444451646361457805878073642865636037670447112757232971990897915853770453678819060469607562232315484041061
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 103 of the certificate chain of a 1,964-digit prime (154 intermediate primes).

Certified number1,964-digit prime
Certificatedownload
Certificate chainshow step 103 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009086009867 --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":1100000009086009867},"decimal":true,"detail":2}}'