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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 #1100000009048440190 1,018 digits created 2026-08-05

Value

8280029323470932263589709878912574715052475868031550894890103100510850290724186970957503713410565904730085901733168279229013677631439630025003989381056821113196036798939681450572843795576340279498467529542259659715549372019063088336939597956974662864718811128580281435079497342288832994871222772525676242977506733565796304541034098000924208205892760371792656663493104554001981126434928032188366087691273521540030038580053153436043024910476868311404376751851902140234321372409356696482021411714650075221945317094257629882781730089314598849690988489242294675837807837030057121025623651122316956072589160856085842667923350703521433307772359514833070053368463281324229014781568107377853706801249591625592198725807799805452043372459638983990897791222926161711430457341495828743113768395660155590516533726000052956143278544745964161288609298873377453136827657673290512653525559567790956459823916171614993380108856090771744242035321915901091323470348592903949109836928556496763338380682281086282117914987151104063393993515329
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 45 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048440190 --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":1100000009048440190},"decimal":true,"detail":2}}'