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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 #1100000009080133263 1,850 digits created 2026-08-12

Value

82905063616039827645767661877335905128562381708436231897034545270742452557605701594899452971256115043188643496181644384084833549259967088877036199316277735555195928079455490327535451532920047140901415785763425096136784143319178597485092120706839025632529892176910632346695518618636316571627574768847403687185671978943364881239173752769030672244590431906549024429765252472370956523419023780784402295731497975527732027773733808836006594816695016461538020667661171228309006837858274509655342501142949499241987335638317979415593148042399027821803699469968773996130685151284036888764175145357025231386969452625831350877899794738560232705238645421864046087226218343825777296916349897142471683261548345474315553279582743164322140526946465403728946053291722629941740292000022570790609466611974836233316090408668781135436416361385354913788213340097555564945601451303675871001864126131145975996145965583273703942659838875152978047854066463771913626014954274717772726742439714903080447751812808880258003877916866389644904935218873547108157854930571818734479831263714508398653031782218943106036945689940956763145733119288526401983749765377473874856675257713216569501700932731552336119937290720430971181182634202014998667730179419513881743108555411310404186013080772035709810508567340324515978192050960978114606181545259681582349671873039205502559501490807696986401911279279618564037804179339775341879652998967220879145974380565249461945978071134879636978064522080806363841147565146924848641230216615846373515804940936265568041697281979888905370362084660511025527115180073200907528116930193056868011678088323135069637842919547429896663576962889587309026770466587412097863170284602586732464739175681966118026615257637261689295117571128300379931978902024482525097153609030183688174296839592447586567518836263230266879475895700180636155012520472330250968312469121561
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 1,863-digit prime (144 intermediate primes).

Certified number1,863-digit prime
Certificatedownload
Certificate chainshow step 2 of 144

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080133263 --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":1100000009080133263},"decimal":true,"detail":2}}'