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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 #1100000009055593479 1,092 digits created 2026-08-08

Value

380264941125531915990587752069007831401729588554852178280720417001386601785847495690476374284033102987897048349615288030701662827612257359289027503990400099488468138657238538765449502781897523932960163671712922721172384931065621749774477033112592221381645996928998595301741144639418809715660997801061487164108543676675792294987105608381271064314419314204943549944889596966865424799069708869581169648348860647935840788224690712774573386001947623834071288662615614312595669804337176978617367490582447478309904722439426515680236414351867274531306867413382445982914767673671001514606549489760407348611508845577331225992103697500913422206965971212480266129291469098286208355144940988160881278907900388278409303487237563427801914792965537189748735332207796914588450393681818237065203457110688513079874274704560378814705634905363307769306314028347065357300531846681657470588407049946897349035367338807718801529164618183695190864478241839813561122009347819779402277947209305311956412530913392224334016971815747803390982382802285653717009092410595333883595765062779094457425847339115941074961552472833
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 1,644-digit prime (131 intermediate primes).

Certified number1,644-digit prime
Certificatedownload
Certificate chainshow step 46 of 131

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055593479 --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":1100000009055593479},"decimal":true,"detail":2}}'