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 #1100000009019512170 1,060 digits created 2026-07-29

Value

1487226866727469538083715498023350021254983717723005989951641118815117762172854463444969035609792990685827248477810437499677172055929091254002239260256373840055852817746752422471999164102067529229540956244300578659037665780080056135069492116420841923261054198219305083151215717954864983318924268210550952020031992341475068323107747812186451599986195703138044415374144736887084675889924855270230113493545450372107150456496392291001475659532726906815934754576511946595740338216120687290709438969746370801228955989834510910367571408881684029105682665749337341729354068034750132131887225707098795258052463644361503612013227261858506656364699400807870392612760175777747967175759517512298320423577122546416189120588356662532276585793183063573738167919143949113880216188627032237930289685571490888080927832632328131887750884464322168053372040285461874841322748293159975211767724916196118096824856684513897313068993824898449095491104727808801991834197752228662221265276172639114209671184309779059910632952769812539916752724532011580771657272641608960258050539682998433
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,105-digit prime (98 intermediate primes).

Certified number1,105-digit prime
Certificatedownload
Certificate chainshow step 6 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019512170 --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":1100000009019512170},"decimal":true,"detail":2}}'