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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 #1100000008676650272 2,098 digits created 2026-03-10

Value

7321185039843082656540107711465312259372305122608807186718007227773657998955480771157902835783888547634234254142797401760567952336874281189494834935676959471854270599694902867254627357595922840583085115115070895174981056276248011317334222045142400851022180151990716000778239290990980832562989623196474277609252723814383484783174503729316868526576841474620365702958262065522618271380442685830823232867678062267639570552418518884897772881513025913598841313424661620224045370789218559104881322517196324268822242392557042424951578703655042225604135157012807618726208552263929191489071355228896278360658603052672927427497828129712486869755175338015043929786364327940046010271340324803777618111392628134178639119509342929332212019232229138055080793458994134741827835306985128953903547811917119113997690818149043751852687536381922192349440634073717127572567898970992181667221112236339879529714209896019446792199933882492694172798760762559915876462130329378487673647950369423581509055368442308230658335141319646025293999050089654347842675457635234660012878920635004317194753563477341233795533653445303268258333312389021129609209003558162760377128643105939281562163095271741946046721371648715393883265309565292443575156847696220353644801438905353826165536016627504513695008759961522963350253894773703326242862840926485731488960840622521368253317921106663209225473730591227506525589772100918531692064718830191042333922277838690431578602926977054875290617608791523910322387027866988546765058901220413834628056977835750925090508108215611592078687881748558222214042931971116549446524352191690916114640311106456525994419255968923227237188970263720069149879512582937933796887736268521349701810302659023712052216894461827635413196107268797095715531896149165460995328614158054999954679074286310308784085742063052158068370327303053927506355493267335133297343974148708856656597958498345838615323829307368746065381378450607260049403382174905105471163259551314143075728917553824471499410699183821278521794245150777590149471920355866860184657278975582663880223204759958181346003289971804612170913568824631751469907440683
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,930-digit prime (225 intermediate primes).

Certified number2,930-digit prime
Certificatedownload
Certificate chainshow step 67 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676650272 --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":1100000008676650272},"decimal":true,"detail":2}}'