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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 #1100000009068843409 1,082 digits created 2026-08-10

Value

10072109773496083612488618776449593106431107487293318966425669886389682683806771876092228333825856476055798765036717570193143916810193252989531313617925117023028345213074463832774497564409172053544481807160922834593781597990130353779606193498452062026500931524699705369130781510067492177326294477882784001186286357181280589946813659923099879293941077919189925896341359004887191561614458483363527754717825443584344550330819125789153755531116384442915425777284300918565422251494954639529557368865186274803820470585956521718890448521497023643320548664891065800341159818184085199098441169166727765158345570297453716680905777057945416939601425064929107843812195985203546021632867301349742271543338092905184642760688150642063920357003914925598131712628169208467495531857081472709988230546862522343260502570094060268612721395852686855547616293984360222940925838697126339614642757137564449896450886976614524963815217741471456418405301802025673537538888944055248013338575295800111947827796388881660527106271176518770230286617078333551250475316944347046998691549475616476299079611020810866661
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 2,101-digit prime (163 intermediate primes).

Certified number2,101-digit prime
Certificatedownload
Certificate chainshow step 83 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009068843409 --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":1100000009068843409},"decimal":true,"detail":2}}'