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 #1100000009008066399 1,385 digits created 2026-07-27

Value

18814931877124443748849204632018900097158341836476652092382603019276912423904442436113672382749116614724695368762641132411099134934967152586883789445232126872473501159143547439689329558797763621664934237781020032082206200816137884369804130802358349887867157536587348434866631689750741411276756388274788523091676495590717576211627954361170696383155034430923654422906376371981756465728785448932275636493117130811299053294223333475972022178064648243821072146328453216759094708436776515394532698110535523398696234223772165470201305039386810915976525300740045118296013188038224162244850124194791136723791854866684398947341388260515447266237311411246331690720807616580442288447450890887299274940755723625842654563169541831626583798118166815617066918854021772137938462254598102994143135342605558990650637854228194358386563886921140916407473605298562745944654176430750439608949616402693899497792243628744122283661974283801341090163080272024577454768515501357596048221336738609213750463661533108295547023781714732495770926541593204878323308786310082890782978692481460255291118556264131896288689966800144830526293281900794711605723905362497064653775908250317990526840606714727421602697429910595804162049900301506756599377305458101207354340405934260596017722418041825954064892203322851903342848968280992846151400598259047194079602713246091429009714207526255269881821517300404100743886810222952829
term 4298^381+381
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,385 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:1100000009008066399 --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":1100000009008066399},"decimal":true,"detail":2}}'