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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 #1100000009057798257 907 digits created 2026-08-08

Value

6272921303302235316927939370500662832725801061942217857137944618413818246411843470951620813084617285666752619441817554371786595901611042470468681447886447466764363975302776763111888167753277323681088621302292029176607946209384845607111405010521212855749758650486107411438383174799550029152600634841092700109443058594601495926355006482933097496129082730378969796955992819916344860836667469639413481764037467271396276510166105506047536808155056115836908358134085874346134124490580611176597022991295986583971868907855417459566098221249892899674027107428391611441012555196357789623285379036897676605326137659487850497945648795351323428872321969713196993372604577118372515708413817439864604659385640473584914102661617205544129447160704146911680743593320314584762002386248048969445832384056267833954730371750909276232178674973240809847821274587451654242311281646878631900894066281736780093145651247742168790738031
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 1,673-digit prime (141 intermediate primes).

Certified number1,673-digit prime
Certificatedownload
Certificate chainshow step 69 of 141

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057798257 --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":1100000009057798257},"decimal":true,"detail":2}}'