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 #1100000009008085921 1,180 digits created 2026-07-27

Value

6447127541637914806312094281182088839198019431303910891587236147281115597979186863886580475229863651556547021319918244140860861261840875584355108405972519995034366554281533720758627251735952487183561693080538320068180013551276368935865121013916735539073937800898479748639390117931945130588765094745026097896270062441941229148980570667702820501211953993458828968704577891899848871283038998891586686157479086872421119798172077203413947430175883230360559034742250682315450191339239890258647204053602915086859349467410451042299117109188405835876915102199866205850908230373619878208411739445294150180251921387276638358528993768901485294615087975028264668903950916147952773676800782162108627996995950148962780049333797747879698121752274527800104356689937156578061415848120177831435088391031180189271177796384063167500780403231409171660689925892560889634850264789805912818059839313076016436429407328456411794757065906078182736463751018695646303353363529545358259732684254083759514705366490218639071377564220392981787483186919294548816720257880376550406117127217692429329083614830849940948278556454037936431807615411192133014083112374599250061210166010027927161463189909888317311186125121
term 4863^320+320
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,180 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008085921 --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":1100000009008085921},"decimal":true,"detail":2}}'