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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 #1100000009043498204 1,231 digits created 2026-08-03

Value

6706067661585075551332457633968245537558837341926373716723850731504653367586287421936581569025618329461834387042940817237433784720338331011102231410702440513540739938814137774755918931763104862914496134721616847168577671227754284670067222608521725295616115260882257570533557186102691852114668475834335828983086876212966417194117693691198380971634560273203321392187792455120909699923266132825713837917908001643381635894965910711464238221640984703924731372848283226714687493737121528574780379741702290466237930976199063547057957884316431115954413752793471154809032789423967254627442947281290966597923612354947236293168856280569450577888756872516571095367801437141567519996544755265380255144043478258498100668450856540088374865800366437095135927093795752335344082254239487902266640082884914526416542332889120138974810882619321585847242388059916466668589684045031796655881449461758364947541282431817729534205301061450731306026844502783731785600033266139402263664883388430914265820108053021711675893075515797384720941756751800436480821497932339388253669435239133097533315399659317303207335282019518521408992037812867243950178320918725083087566515406620096611978106639121402836949739146208491664396236514082844458378405629822618924147393
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 1,366-digit prime (114 intermediate primes).

Certified number1,366-digit prime
Certificatedownload
Certificate chainshow step 11 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043498204 --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":1100000009043498204},"decimal":true,"detail":2}}'