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 #1100000009040360421 808 digits created 2026-08-02

Value

5207774534543893394067613940330652152306178613510058300850570765074075819853769671949459031472944991463226092818493042902104175012634355019383179891449197486541258828624433591126018701517296381915601603234135424562209470558273700278807737293352226121165732528593103541592152064265394448518177168697637484122450648235300102675892124656260145116728628873238872871243398526395608753807600539599098546831263527471665261172946953547397609643474057757350328303454912970054428790935872925884066231272431735982894032331065374840527243788106372802187247893619395049329167379736470061303077522023530867576246295592092386985547635353517709848569373739991643940725553880747640943587588068737721048377409304353391865971310130109271900304201937390810604622534416495084015158739907054060607581553129382180336719400088835643
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 1,264-digit prime (114 intermediate primes).

Certified number1,264-digit prime
Certificatedownload
Certificate chainshow step 46 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040360421 --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":1100000009040360421},"decimal":true,"detail":2}}'