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 #1100000008676361388 871 digits created 2026-03-10

Value

1366326375524371398053214544112057337195122402807897670633209470544230883306161671616623877655186668308356163979710157310456038745447956466149347116008384295065429858749560136490963010909439611351917777015354305298141272483430915183460434071986870910612691076478458678201568506044704886128724497320019141964365907456780753789777134822323959947217587972950367677671045839119140890260915329884700725117585295287877430741370937937043278449879734547125075881038170354532121113858101228528525369865918743912731154747079235174827116840984760707057103637990542617455175983413390880899566400258015352740639332058174810441143169873940403994699702606509208972497907760509712435474412932231581720389215546242962953670288647965768848795838720863181837795724204313543090099442422797532350718047758548492537497466472323364338194944828102778414967577089389657856082392673306717944076307
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,418-digit prime (155 intermediate primes).

Certified number1,418-digit prime
Certificatedownload
Certificate chainshow step 56 of 155

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676361388 --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":1100000008676361388},"decimal":true,"detail":2}}'