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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 #1100000009040360096 1,024 digits created 2026-08-02

Value

1889290028595614217241731980885736346686204791323277489329203121540375174722579418844529539414166689549674466797946936081836068289824161772041404009453442123651895220700659210900398547365800658328273279807912931143493452689327290990371851982282192904145296762638616394354325166514581372372468080893771387743977824337848166298088960089233990868185911896327371137759359746884362963178978962266027731172259328499225575265102677755896247067443690441125654610344632520098318625768786884431443978875506499096947545903507584036378467421919024355186735873610546054977180285797488373503213576341302552917905944473182064904327740717766905998626789718262206582361251671097274351328794769920413155308602916853324761354806264432090906998640057770376531595787834696267474327016238005767643439733402128465917872519064276921933257558658482986209040226273874838024896852195344113037026473132500103171963811825692151708428647881039037368505684716026614733109632918496818090764959988756289862077762462023831192295900420841836308829959960346383
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,264-digit prime (114 intermediate primes).

Certified number1,264-digit prime
Certificatedownload
Certificate chainshow step 24 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040360096 --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":1100000009040360096},"decimal":true,"detail":2}}'